Explore topic-wise MCQs in Arithmetic Ability.

This section includes 119 Mcqs, each offering curated multiple-choice questions to sharpen your Arithmetic Ability knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following has most number of divisors?

A. 99
B. 101
C. 176
D. 182
Answer» D. 182
2.

What is the LCM of 64 and 56?

A. 448
B. 488
C. 484
D. 408
Answer» B. 488
3.

What is the LCM (least common multiple) of 57 and 93?

A. 1767
B. 1567
C. 1576
D. 1919
Answer» B. 1567
4.

What is the HCF of 6345 and 2160?

A. 45
B. 135
C. 270
D. 15
Answer» C. 270
5.

What is the highest common factor of 360 and 450?

A. 90
B. 45
C. 10
D. 9
Answer» B. 45
6.

What is the LCM of 120 and 450?

A. 2400
B. 1800
C. 3600
D. 4800
Answer» C. 3600
7.

What is the HCF of 36, 72 and 126?

A. 9
B. 36
C. 18
D. 12
Answer» D. 12
8.

What is the HCF of 132 and 176?_x005F_x000D_

A. 33
B. 66
C. 44
D. 22
Answer» D. 22
9.

What is the HCF (highest common factor) of 57 and 513?

A. 10
B. 57
C. 3
D. 27
Answer» C. 3
10.

Two numbers are in the ratio of 15 : 11.If their HCF is 13. Find  the numbers._x005F_x000D_

A. 195, 143
B. 196, 143
C. 195, 141
D. 195, 142
Answer» B. 196, 143
11.

What is the HCF (highest common factor) of 133 and 112?

A. 15
B. 7
C. 19
D. 6
Answer» C. 19
12.

Two numbers are in the ratio of 15 : 11. If their HCF is 13, then the greater number is?

A. 195
B. 125
C. 175
D. 125
Answer» B. 125
13.

Two numbers are in the ratio 4:5 and their HCF is 13. Their LCM is

A. 260
B. 52
C. 65
D. 265
Answer» B. 52
14.

Two numbers are in the ratio 2:5 and their HCF is 18. Their LCM is

A. 180
B. 36
C. 90
D. 188
Answer» B. 36
15.

Two numbers are in the ratio 3:5 and their HCF is 20. Their LCM is

A. 30
B. 300
C. 60
D. 10
Answer» C. 60
16.

Three numbers are in the ratio of 3:5:10 and their LCM is 630. Find their HCF.

A. 21
B. 42
C. 63
D. 36
Answer» B. 42
17.

Three numbers are in the ratio of 3:4:5 and their L.C.M is 3600.Their HCF is:

A. 40
B. 60
C. 100
D. 120
Answer» C. 100
18.

Three numbers are in the ratio  1 : 2 : 3  and their H.C.F is 12. The numbers are

A. 4, 8, 12
B. 5, 10, 15
C. 10, 20, 30
D. 12, 24, 36
Answer» E.
19.

Three different containers contain 1365 litres, 1560 litres and 1755 litres of mixtures of milk and water respectively. What biggest measure that can measure all the different quantities exactly ?

A. 37 lit
B. 97 lit
C. 129 lit
D. 195 lit
Answer» E.
20.

Three friends J, K and L jog around a circular stadium and complete one round in 12, 18 and 20 seconds respectively. In how many minutes will all the three meet again at the starting point.

A. 5
B. 8
C. 12
D. 3
Answer» E.
21.

The sum of two numbers is 528 and their H.C.F is 33. The number of pairs of numbers satisfying the above condition is

A. 4
B. 6
C. 8
D. 12
Answer» B. 6
22.

The smallest number which when diminished by 7,  is divisible by  12, 16, 18, 21 and 28 is

A. 1008
B. 1015
C. 1022
D. 1032
Answer» C. 1022
23.

The ratio of two numbers is 4:3 and their HCF is 8. Find their LCM.

A. 48
B. 96
C. 64
D. 84
Answer» C. 64
24.

The product of two numbers is 4107. If the H.C.F of these numbers is 37, then the greater number is

A. 101
B. 107
C. 111
D. 185
Answer» D. 185
25.

The ratio of two numbers is 3 : 4 and their H.C.F is 4. Their L.C.M is

A. 12
B. 16
C. 24
D. 48
Answer» E.
26.

The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
27.

The product of two 2-digit numbers is 2160 and their H.C.F. is 12. The numbers are

A. (12, 60)
B. (72, 30)
C. (36, 60)
D. (60, 72)
Answer» D. (60, 72)
28.

The minimum value of LCM of given numbers is ........... the product of all the given numbers.

A. always greater than
B. always less than
C. always equal to
D. None
Answer» E.
29.

The maximum number of students  among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is:

A. 91
B. 910
C. 1001
D. 1911
Answer» B. 910
30.

The least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is

A. 1677
B. 1683
C. 2523
D. 3363
Answer» C. 2523
31.

The least number which when divided by 5, 6 , 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder, is:

A. 1677
B. 1683
C. 2523
D. 3363
Answer» C. 2523
32.

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:

A. 74
B. 94
C. 184
D. 364
Answer» E.
33.

The LCM of two consecutive even numbers is 144, find the numbers?

A. 16 and 18
B. 14 and 16
C. 18 and 20
D. 22 and 24
Answer» B. 14 and 16
34.

The L.C.M of two numbers is 495 and their H.C.F is 5. If the sum of the numbers is 100, then their difference is

A. 10
B. 46
C. 70
D. 90
Answer» B. 46
35.

The LCM of two numbers is 66. The numbers are in the ratio 2:3. The sum of the numbers is

A. 60
B. 55
C. 50
D. 65
Answer» C. 50
36.

The LCM of the three numbers 16, 28 and 42 is_x005F_x000D_

A. 168
B. 2
C. 252
D. 336_x005F_x000D_
Answer» E.
37.

The LCM of the three numbers 45, 25 and 35 is:_x005F_x000D_  _x005F_x000D_

A. 1400
B. 1225
C. 1575
D. 1800
Answer» D. 1800
38.

The LCM of 15x3y4 and 12x2y5_x005F_x000D_

A. 25x3y5
B. 15x3y5
C. 12x3y3
D. 60x3y5
Answer» E.
39.

The L.C.M of  22, 54, 108, 135 and 198 is_x005F_x000D_

A. 330
B. 1980
C. 5940
D. 11880
Answer» D. 11880
40.

The LCM of 72 and 84 is:

A. 12 × 6 × 7
B. 6 × 2 × 7
C. 12 × 7 × 3
D. 72 × 84
Answer» B. 6 × 2 × 7
41.

The LCM of 56, 84 and 112 is

A. 210
B. 336
C. 420
D. 168
Answer» C. 420
42.

The LCM of 48 and 54 is

A. 6 x 8 x 9
B. 48 x 54
C. 6 x 2 x 9
D. 6 x 8 x 3
Answer» B. 48 x 54
43.

The LCM of 145 and 87 is:_x005F_x000D_

A. 580
B. 725
C. 290
D. 435
Answer» E.
44.

The LCM of 15, 18 and 24 is_x005F_x000D_

A. 360
B. 6
C. 3
D. 540
Answer» B. 6
45.

The LCM of 16, 24, 36, 52 and 54 is?

A. 5618
B. 5216
C. 432
D. 5616
Answer» E.
46.

The largest measuring cylinder that can accurately fill 3 tanks of capacity 98, 182 and 266 litres each, is of capacity ?

A. 7 lts
B. 14 lts
C. 98 lts
D. 42 lts
Answer» C. 98 lts
47.

The HCF of two numbers is 12 and their LCM is 72. If one of the two numbers is 24, then the other number is

A. 60
B. 36
C. 72
D. 48
Answer» C. 72
48.

The LCM and HCF of two numbers are 4284 and 32, respectively. If one of the numbers is 672, then the second number is;

A. 102
B. 64
C. 204
D. 92
Answer» D. 92
49.

The LCM of 14, 21 and 35 is

A. 7
B. 140
C. 70
D. 210
Answer» E.
50.

The LCM of 14, 35 and 56 is

A. 280
B. 140
C. 210
D. 560
Answer» B. 140