Logo
Home → Mathematics MCQs

Mathematics MCQs

More MCQs about Mathematics
1601

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 ✔


Click for More Details
1602

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 ✔


Click for More Details
1603

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 ✔


Click for More Details
1604

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 ✔


Click for More Details
1605

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 ✔


Click for More Details
1606

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 ✔


Click for More Details
1607

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 ✔


Click for More Details
1608

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 ✔


Click for More Details
1609

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 ✔


Click for More Details
1610

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 ✔


Click for More Details
1611

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 ✔


Click for More Details
1612

The average of first 10 odd numbers is__________?

Option A: 11

Option B: 10

Option C: 12

Option D: 17

Correct Answer: 10 ✔


Click for More Details
1613

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 ✔


Click for More Details
1614

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 ✔


Click for More Details
1615

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 ✔


Click for More Details
1616

The average of first 10 even numbers is__________?

Option A: 18

Option B: 22

Option C: 9

Option D: 11

Correct Answer: 11 ✔


Click for More Details
1617

A man spend Rs. 3300. This was 75% of his monthly income. His monthly income is__________?

Option A: 4000

Option B: 4400

Option C: 5000

Option D: 5400

Correct Answer: 4400 ✔


Click for More Details
1618

What are Prime Numbers?

Option A: Which can be divided by Odd Numbers

Option B: Which can be divided by Even Numbers

Option C: Which can be divided by Number 1 & by itself Number

Option D: Which can be divided by any Number

Correct Answer: Which can be divided by Number 1 & by itself Number ✔


Click for More Details
1619

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 ✔


Click for More Details
1620

Twelve inches equal to how many centimeters?

Option A: 30.48

Option B: 29

Option C: 34.12

Option D: 24

Correct Answer: 30.48 ✔


Click for More Details
1621

Who is Called the Father of Calculus?

Option A: Al-Khwarizmi

Option B: Aristotle

Option C: Herodotus

Option D: Isaac Newton

Correct Answer: Isaac Newton ✔


Click for More Details
1622

1 inch is equal to__________?

Option A: 2.4 cm

Option B: 2.5 cm

Option C: 2.54 cm

Option D: None

Correct Answer: 2.54 cm ✔


Click for More Details