Problems On Numbers MCQs

Option A: 5

Option B: 6

Option C: 7

Option D: 12

Correct Answer: 7 ✔

Option A: 660

Option B: 670

Option C: 680

Option D: 690

Correct Answer: 690 ✔

A.  12,16
B.  18,10
C.  15,13
D.  14,12

Submitted by: Aamir Babar

Explain:
12,16

10 + 10 = 20
2 + 6 = 8
Difference 4 hai
1 10
2 10
3 2
4 8

Pakistan Airforce Intelligence Test Mcqs

Correct Answer: A.  12,16 ✔

A. 26
B. 35
C. 53
D. Cannot be determined

Correct Answer: B. 35 ✔

A. 18
B. 24
C. 42
D. 81

Correct Answer: B. 24 ✔

A. 14
B. 20
C. 26
D. 28

Let the number be x. Then, 15x – x = 196
14x = 196 x = 14.

Correct Answer: A. 14 ✔

A. 20
B. 30
C. 40
D. None of these

Correct Answer: A. 20 ✔

A. 6
B. 12
C. 18
D. None of these

Let the numbers be 3x, 4x and 6x.
Then, 3x x 4x x 6x = 1944 72x³ = 1944
x³ = 27 ,=> x = 3
∴ Largest number = 6x = 18,

Correct Answer: C. 18 ✔

A. 15
B. 26
C. 28
D. 13

Let the number be x.
Then, x + x² = 182 x² + x – 182 = 0
(x + 14) (x – 13) = 0 x = 13.

Correct Answer: D. 13 ✔

A. 104
B. 114
C. 315
D. 325

Let the numbers be x and y. Then, x + y = 25 and x – y = 13.
4xy = (x + y)2 – (x – y)2 = (25)2 – (13)2 = 625- 169 = 456
=> xy = 114.

Correct Answer: B. 114 ✔

A. 9
B. 12
C. 15
D. 18

Let the numbers be x and y.
Then, x + y = 33     …(i)
and x – y = 15     …(ii)
Solving (i) and (ii), we get : x = 24, y = 9.
∴ Smaller number = 9.

Correct Answer: A. 9 ✔