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Arithmetic MCQs

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1

What is the Arithmetic Mean of the following data 3,6,9,12,15.

Option A: 7

Option B: 9

Option C: 12

Option D: 8

Correct Answer: 9 ✔


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2

Express 1.09 in term of Percentage.

Option A: 1.09%

Option B: 10.9%

Option C: 109%

Option D: None of these

Correct Answer: 109% ✔


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3

Calculate the Average of 1,2,3,4,5.

Option A: 1

Option B: 2

Option C: 3

Option D: 4

Correct Answer: 3 ✔


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4

Find the Missing Number in the series 1, 6, 13, 22, 33 ?

Option A: 36

Option B: 40

Option C: 46

Option D: 52

Correct Answer: 46 ✔


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5

Today is khadija’s birthday. After one year, she will become two times as she was ten years ago. current age of Khadija?

Option A: 19

Option B: 20

Option C: 21

Option D: 22

Correct Answer: 21 ✔


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6

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is__________?

Option A: 53.33

Option B: 54.68

Option C: 55

Option D: None of these

Correct Answer: 54.68 ✔


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7

The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.

Option A: 47.55 kg

Option B: 48 kg

Option C: 48.55 kg

Option D: 49.25 kg

Correct Answer: 48.55 kg ✔


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8

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is__________?

Option A: 17 kg

Option B: 20 kg

Option C: 26 kg

Option D: 31 kg

Correct Answer: 31 kg ✔


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9

The average of 18 observations was calculated and it was 124. Later on it was discovered that two observations 46 and 82 were incorrect. The correct values are 64 and 28. The correct average of 18 observations is__________?

Option A: 123

Option B: 137

Option C: 121

Option D: 122

Correct Answer: 122 ✔


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10

A person travels from x to y at a speed of 40Km/h and returns by increasing his speed 50%. What is his average speed for both the trips?

Option A: 36km/h

Option B: 45km/h

Option C: 48km/h

Option D: 50km/h

Correct Answer: 48km/h ✔


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11

The mean marks of 30 students in a class is 58.5. Later on it was found that 75 was wrongly recorded as 57. Find the correct them.

Option A: 57.4

Option B: 57.5

Option C: 58.9

Option D: 59.1

Correct Answer: 59.1 ✔


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12

The average of women and child workers in a factory was 15%yr. The average age of all the 16 children was 8yr and average age of women workers was 22 yrs if ten women workers were married then the number of unmarried women workers were________?

Option A: 16

Option B: 12

Option C: 8

Option D: 6

Correct Answer: 6 ✔


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13

The average age of students of a class is 15.8 years. The average age of boys in the class is 16.4 years and that of the girls is 15.4 years. The ration of the number of boys to the number of girls in the class is__________?

Option A: 1:2

Option B: 2:3

Option C: 3:4

Option D: 3:5

Correct Answer: 2:3 ✔


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14

In an examination a pupil’s average marks were 63 per paper. If he had obtained 20 more marks for his Geography paper and 2 more marks for his History paper, his average per paper would have been 65. How many papers were there in the examination?

Option A: 8

Option B: 9

Option C: 10

Option D: 11

Correct Answer: 11 ✔


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15

The average salary of all the workers in a workshop is Rs. 8000. The average salary of 7 technicians is Rs. 12000 and the average salary of the rest is Rs. 6000. The total number of workers in the workshop is__________?

Option A: 20

Option B: 21

Option C: 22

Option D: 23

Correct Answer: 21 ✔


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16

The arithmetic mean of the scores of a group of students in a test was 52. The brightest 20% of them secured a mean score of 80 and the dullest 25% a mean score of 31. The mean score of remaining 55% is__________?

Option A: 45

Option B: 50

Option C: 51.4 approx.

Option D: 54.6 approx.

Correct Answer: 51.4 approx. ✔


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17

The average age of a husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is__________?

Option A: 35 years

Option B: 30 years

Option C: 40 years

Option D: None of these

Correct Answer: 40 years ✔


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18

A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is__________?

Option A: 48 runs

Option B: 52 runs

Option C: 55 runs

Option D: 60 runs

Correct Answer: 48 runs ✔


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19

The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average of the team?

Option A: 23 years

Option B: 24 years

Option C: 25 years

Option D: None of these

Correct Answer: 23 years ✔


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20

The average monthly salary of 20 employees in an organisation is Rs. 1500. If the manager’s salary is added, then the average salary increases by Rs. 100. What is the manager’s monthly salary?

Option A: Rs. 2000

Option B: Rs. 2400

Option C: Rs. 3600

Option D: Rs. 4800

Correct Answer: Rs. 3600 ✔


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21

The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is__________?

Option A: Rs. 3500

Option B: Rs. 4000

Option C: Rs. 4050

Option D: Rs. 5000

Correct Answer: Rs. 4000 ✔


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22

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is__________?

Option A: 17 kg

Option B: 20 kg

Option C: 26 kg

Option D: 31 kg

Correct Answer: 31 kg ✔


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23

The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is__________?

Option A: 11 years

Option B: 14 years

Option C: 15 years

Option D: 15 2/7 years

Correct Answer: 11 years ✔


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24

A pupil’s marks were wrongly entered as 83 instead of 63. Due to the average marks for the class got increased by half. The number of pupils in the class is__________?

Option A: 10

Option B: 20

Option C: 40

Option D: 73

Correct Answer: 40 ✔


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25

The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is__________?

Option A: 35.2

Option B: 36.1

Option C: 36.5

Option D: 39.1

Correct Answer: 36.5 ✔


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26

If the arithmetic mean of seventy five numbers is calculated, it is 35. If each number is increased by 5, then mean of new number is__________?

Option A: 30

Option B: 40

Option C: 70

Option D: 90

Correct Answer: 40 ✔


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27

In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the rate in the remaining 40 overs to reach the target of 282 runs?

Option A: 6.25

Option B: 6.5

Option C: 6.75

Option D: 7

Correct Answer: 6.25 ✔


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28

The average of runs of a cricket player of 10 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4?

Option A: 2

Option B: 4

Option C: 70

Option D: 76

Correct Answer: 76 ✔


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29

The average of 35 students in a class is 16 years. The average age of 21 students is 14. What is the average age of remaining 14 students?

Option A: 15 years

Option B: 17 years

Option C: 18 years

Option D: 19 years

Correct Answer: 19 years ✔


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30

The average of five numbers is 27. If one number is excluded, the average becomes 25. The excluded number is__________?

Option A: 25

Option B: 27

Option C: 30

Option D: 35

Correct Answer: 35 ✔


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31

A library has an average of 510 visitors on Sunday and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is__________?

Option A: 250

Option B: 276

Option C: 280

Option D: 285

Correct Answer: 285 ✔


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32

A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family?

Option A: 28 4/7 years

Option B: 31 5/7 years

Option C: 32 1/7 years

Option D: None of these

Correct Answer: 31 5/7 years ✔


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33

The average of five consecutive odd numbers is 61. What is the difference between the highest and lowest numbers?

Option A: 2

Option B: 5

Option C: 8

Option D: Cannot be determined

Correct Answer: 8 ✔


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34

The average of non-zero number and its square is 5 times the number. The number is__________?

Option A: 9

Option B: 17

Option C: 29

Option D: 295

Correct Answer: 9 ✔


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35

The average of the two-digit numbers, which remain the same when the digits interchange their positions, is__________?

Option A: 33

Option B: 44

Option C: 55

Option D: 66

Correct Answer: 55 ✔


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36

The average of first five multiples of 3 is__________?

Option A: 3

Option B: 9

Option C: 12

Option D: 15

Correct Answer: 9 ✔


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37

Find the average of all the numbers between 6 and 34 which are divisible by 5.

Option A: 18

Option B: 20

Option C: 24

Option D: 30

Correct Answer: 20 ✔


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38

The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

Option A: 0

Option B: 1

Option C: 10

Option D: 19

Correct Answer: 1 ✔


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39

Sarfaraz obtained 76, 65, 82, 67 and 85 marks (out of 100) in English, Mathematics, Physics, Chemistry and Biology. What are his average marks?

Option A: 65

Option B: 69

Option C: 72

Option D: None of these

Correct Answer: None of these ✔


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40

A total of 3000 chocolates were distributed among 120 boys and girls such that each boy received 2 chocolates and each girl received 3 chocolates. Find the respective number of boys and girls?

Option A: 70, 50

Option B: 60, 60

Option C: 50, 70

Option D: 40, 80

Correct Answer: 60, 60 ✔


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41

Rs. 6000 is lent out in two parts. One part is lent at 7% p.a simple interest and the other is lent at 10% p.a simple interest. The total interest at the end of one year was Rs. 450. Find the ratio of the amounts lent at the lower rate and higher rate of interest?

Option A: 5 : 1

Option B: 4 : 1

Option C: 3 : 2

Option D: 2 : 1

Correct Answer: 5 : 1 ✔


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42

A trader purchased two colour televisions for a total of Rs. 35000. He sold one colour television at 30% profit and the other 40% profit. Find the difference in the cost prices of the two televisions if he made an overall profit of 32%?

Option A: Rs. 21000

Option B: Rs. 17500

Option C: Rs. 19000

Option D: Rs. 24500

Correct Answer: Rs. 21000 ✔


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43

The average weight of a group of persons increased from 48 kg to 51 kg, when two persons weighing 78 kg and 93 kg join the group. Find the initial number of members in the group?

Option A: 21

Option B: 22

Option C: 23

Option D: 24

Correct Answer: 23 ✔


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44

The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathematics and Chemistry together.

Option A: 40

Option B: 30

Option C: 25

Option D: Data inadequate

Correct Answer: 40 ✔


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45

Five years ago the average of the ages of A and B was 40 years and now the average of the ages of B and C is 48 years. What will be the age of the B ten years hence?

Option A: 55 years

Option B: 56 years

Option C: 58 years

Option D: Data inadequate

Correct Answer: Data inadequate ✔


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46

Aftab bought 65 books for Rs.1150 from one shop and 50 books for Rs.920 from another. What is the average price he paid per book ?

Option A: Rs.20

Option B: Rs.18

Option C: Rs.22

Option D: Rs.16

Correct Answer: Rs.18 ✔


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47

The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is __________ .

Option A: 149

Option B: 151

Option C: 152

Option D: 153

Correct Answer: 151 ✔


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48

In an exam, Amir scored 64 percent, Masood scored 36 percent and asif 44 percent. The maximum score awarded in the exam is 800. Find the average mark scored by all the three boys?

Option A: 384

Option B: 364

Option C: 324

Option D: 404

Correct Answer: 384 ✔


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49

The average mark of the students of a class in a particular exam is 80. If 5 students whose average mark in that exam is 40 are excluded, the average mark of the remaining will be 90. Find the number of students who wrote the exam.

Option A: 20

Option B: 15

Option C: 25

Option D: 35

Correct Answer: 25 ✔


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50

A student scored an average of 80 marks in 3 subjects: Physics, Chemistry and Mathematics. If the average marks in Physics and Mathematics is 90 and that in Physics and Chemistry is 70, what are the marks in Physics?

Option A: 60

Option B: 64

Option C: 72

Option D: 80

Correct Answer: 80 ✔


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51

The average of four positive integers is 69. The highest integer is 93 and the least integer is 39. The difference between the remaining two integers is 28. Which of the following integers is the higher of the remaining two integers?

Option A: 58

Option B: 86

Option C: 49

Option D: None of these

Correct Answer: 86 ✔


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52

The present average age of a family of five members is 26 years. If the present age of the youngest member in the family is ten years, then what was the average age of the family at the time of the birth of the youngest member ? (Assume no death occurred in the family since the birth of the youngest).

Option A: 18 years

Option B: 14 years

Option C: 20 years

Option D: 16 years

Correct Answer: 20 years ✔


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53

The total marks obtained by a student in Physics, Chemistry and Mathematics is 150 more than the marks obtained by him in Physics. What is the average mark obtained by him in Chemistry and Mathematics?

Option A: 75

Option B: 150

Option C: 50

Option D: None of these

Correct Answer: 75 ✔


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54

The average height of 35 boys in a class was calculated as 180cm. It has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm. Find the actual average height of the boys in the class (Round off your answer to two decimal places)?

Option A: 179.29 cm

Option B: 178.29 cm

Option C: 179.38 cm

Option D: 178.39 cm

Correct Answer: 178.29 cm ✔


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55

The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 21 years and the average age of the last three persons is 34 years, then find the age of the person sitting in the middle of the row?

Option A: 30 Years

Option B: 31 years

Option C: 26 years

Option D: 33 years

Correct Answer: 31 years ✔


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56

The average runs scored by a batsman in 20 matches is 40. In the next 10 matches the batsman scored an average of 13 runs. Find his average in all the 30 matches?

Option A: 31

Option B: 29

Option C: 28

Option D: 30

Correct Answer: 31 ✔


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57

The average weight of a group of boys is 30 kg. After a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. Find the number of boys in the group originally?

Option A: 4

Option B: 5

Option C: 6

Option D: 7

Correct Answer: 4 ✔


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58

A salt manufacturing company produced a total of 5000 tonnes of salt in January of a particular year. Starting from February its production increased by 100 tonnes every month over the previous months until the end of the year. Find its average monthly production for that year?

Option A: 6060

Option B: 7070

Option C: 5550

Option D: 4440

Correct Answer: 5550 ✔


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59

The average amount with a group of seven numbers is Rs. 20. If the newly joined member has Rs. 50 with him, what was the average amount with the group before his joining the group?

Option A: Rs. 25

Option B: Rs. 18

Option C: Rs. 15

Option D: Rs. 22

Correct Answer: Rs. 15 ✔


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60

The sum of five numbers is 655. The average of the first two numbers is 85 and the third number is 125. Find the average of the two numbers?

Option A: 180

Option B: 170

Option C: 190

Option D: 175

Correct Answer: 180 ✔


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61

Find the average of the series : 312, 162, 132, 142 and 122?

Option A: 194

Option B: 174

Option C: 162

Option D: 186

Correct Answer: 174 ✔


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62

The average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person. Find the age of the new person?

Option A: 22

Option B: 24

Option C: 12

Option D: 8

Correct Answer: 12 ✔


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63

The average of the marks of 12 students in a class is 36. If the marks of each student are doubled, find the new average?

Option A: 72

Option B: 45

Option C: 37

Option D: 79

Correct Answer: 72 ✔


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64

The average of 10 numbers is 23. If each number is increased by 4, what will the new average?

Option A: 22

Option B: 27

Option C: 25

Option D: 29

Correct Answer: 27 ✔


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65

The average of 35 numbers is 25. If each number is multiplied by 5, find the new average?

Option A: 125

Option B: 134

Option C: 170

Option D: 98

Correct Answer: 125 ✔


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66

The average salary of a person for the months of January, February, March and April is Rs.8000 and that for the months February, March, April and May is Rs.8500. If his salary for the month of May is Rs.6500, find his salary for the month of January?

Option A: 3000

Option B: 2500

Option C: 4500

Option D: 5000

Correct Answer: 4500 ✔


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67

The average marks of a class of 30 students is 40 and that of another class of 50 students is 60. Find the average marks of all the students?

Option A: 50

Option B: 47.5

Option C: 59

Option D: 52.5

Correct Answer: 52.5 ✔


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68

A batsman makes a score of 64 runs in the 16th innings and thus increased his average by 3. Find his average after the 16th inning?

Option A: 17

Option B: 29

Option C: 18

Option D: 19

Correct Answer: 19 ✔


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69

The average of 13 numbers is 60. Average of the first 7 of them is 57 and that of the last 7 is 61. Find the 8th number?

Option A: 46

Option B: 32

Option C: 68

Option D: 51

Correct Answer: 46 ✔


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70

Find the average of the first 20 natural numbers?

Option A: 10

Option B: 11.5

Option C: 12

Option D: 10.5

Correct Answer: 10 ✔


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71

The average of 11 results is 50, if the average of first six results is 49 and that of the last six is 52. Find the sixth result?

Option A: 46

Option B: 56

Option C: 34

Option D: 57

Correct Answer: 56 ✔


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72

The average of five results is 46 and that of the first four is 45. The fifth result is__________?

Option A: 1

Option B: 10

Option C: 12.5

Option D: 50

Correct Answer: 50 ✔


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73

Three years ago the average age of a family of six members was 19 years. A boy have been born, the average age of the family is the same today. What is the age of the boy?

Option A: 1 year

Option B: 1.5 years

Option C: 2 years

Option D: 2.5 years

Correct Answer: 1 year ✔


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74

The average salary per head of the entire staff of an office including the officers and clerks is Rs.90. The average salary of officers is Rs.600 and that of the clerks is Rs.84. If the number of officers is 2, find the number of officers in the office?

Option A: 1540

Option B: 960

Option C: 840

Option D: 1020

Correct Answer: 1020 ✔


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75

The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?

Option A: 55 kg

Option B: 62 kg

Option C: 56 kg

Option D: None

Correct Answer: None ✔


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76

The average marks in mathematics scored by the students of a school at the public examination were 39. If four of these students who actually scored 5, 12, 15 and 19 marks at the examination had not been sent up, the average marks for the school would have been 44. Find the number of students sent up for examination from the school?

Option A: 20

Option B: 25

Option C: 30

Option D: 32

Correct Answer: 25 ✔


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77

Nine men went to a hotel. Eight of them spent Rs.3 each over their meals and the ninth spent Rs.2 more than the average expenditure of all the nine. Determine the total money spent by them?

Option A: Rs.29.25

Option B: Rs.30.25

Option C: Rs.32

Option D: Rs.35

Correct Answer: Rs.29.25 ✔


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78

The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?

Option A: 7 years

Option B: 11 years

Option C: 18 years

Option D: 27 years

Correct Answer: 18 years ✔


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79

The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday?

Option A: 40 degrees

Option B: 38 degrees

Option C: 36 degrees

Option D: 34 degrees

Correct Answer: 34 degrees ✔


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80

A man purchased 3 blankets @ Rs.100 each, 5 blankets @ Rs.150 each and two blankets at a certain rate which is now slipped off from his memory. But he remembers that the average price of the blankets was Rs.150. Find the unknown rate of two blankets?

Option A: Rs.150

Option B: Rs.225

Option C: Rs.250

Option D: None

Correct Answer: None ✔


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81

A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is__________?

Option A: Rs.20

Option B: Rs.21

Option C: Rs.22

Option D: Rs.23

Correct Answer: Rs.21 ✔


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82

Visitors to show were charged Rs.15 each on the first day. Rs.7.50 on the second day, Rs.2.50 on the third day and total attendance on the three days were in ratio 2:5:13 respectively. The average charge per person for the whole show is__________?

Option A: Rs.3

Option B: Rs.4.50

Option C: Rs.5.00

Option D: Rs.7.50

Correct Answer: Rs.5.00 ✔


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83

In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?

Option A: Rs.5000

Option B: Rs.4600

Option C: Rs.5400

Option D: Rs.2300

Correct Answer: Rs.5400 ✔


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84

A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings?

Option A: 34

Option B: 35

Option C: 36

Option D: 37

Correct Answer: 37 ✔


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85

The average age of a husband and a wife is 23 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child?

Option A: 1 year

Option B: 2 years

Option C: 3 years

Option D: 4 years

Correct Answer: 4 years ✔


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86

The average age of M boys is ‘b’ years and of ‘n’ girls ‘c’ years. The average age of all together is_________?

Option A: (mb – nc)/ (m + n) years

Option B: (mb + nc)/ (m – n) years

Option C: (mb + nc)/ (m + n) years

Option D: (mb – nc)/ (m – n) years

Correct Answer: (mb + nc)/ (m + n) years ✔


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87

A team of eight entered for a shooting competition. The best marks man scored 85 points. If he had scored 92 points, the average scores for. The team would have been 84. How many points altogether did the team score?

Option A: 625

Option B: 665

Option C: 632

Option D: 656

Correct Answer: 665 ✔


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88

The average salary of workers in an industry is Rs.200 the average salary of technicians being Rs.400 and that of non-technicians being Rs.125. What is the total number of workers?

Option A: 250

Option B: 275

Option C: 550

Option D: 400

Correct Answer: 550 ✔


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89

The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?

Option A: 36 years

Option B: 24 years

Option C: 30 years

Option D: 18 years

Correct Answer: 30 years ✔


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90

The average of first five prime numbers greater than 20 is__________?

Option A: 31.00

Option B: 31.01

Option C: 32.00

Option D: 32.2

Correct Answer: 32.2 ✔


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91

The average of 9 observations was 9, that of the 1st of 5 being 10 and that of the last 5 being 8. What was the 5th observation?

Option A: 9

Option B: 8

Option C: 7

Option D: 6

Correct Answer: 9 ✔


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92

The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers?

Option A: 8

Option B: 6

Option C: 5

Option D: 2

Correct Answer: 5 ✔


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93

The average age of three boys is 15 years and their ages are in proportion 3:5:7. What is the age in years of the youngest boy?

Option A: 15

Option B: 9

Option C: 18

Option D: 21

Correct Answer: 9 ✔


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94

The average of first 10 odd numbers is__________?

Option A: 11

Option B: 10

Option C: 12

Option D: 17

Correct Answer: 10 ✔


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95

The average of first 10 natural numbers is__________?

Option A: 5

Option B: 5.5

Option C: 6.5

Option D: 6

Correct Answer: 5 ✔


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96

The average of first ten prime numbers which are odd is__________?

Option A: 12.9

Option B: 13.8

Option C: 15.8

Option D: 17

Correct Answer: 15.8 ✔


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97

The average of 11 numbers is 10.9. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is__________?

Option A: 11.0

Option B: 11.3

Option C: 11.4

Option D: 11.5

Correct Answer: 11.5 ✔


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98

The average of first 10 even numbers is__________?

Option A: 18

Option B: 22

Option C: 9

Option D: 11

Correct Answer: 11 ✔


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99

Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?

Option A: 2.5

Option B: 2.0

Option C: 1.75

Option D: 1.5

Correct Answer: 1.5 ✔


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100

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is:

Option A: 53.33

Option B: 54.68

Option C: 55

Option D: None of these

Correct Answer: 54.68 ✔


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