Question - 1

Suppose LCM of two numbers is 864 and their HCF is 144. If one of the number is 288, the other number is :

- 342
- 234
- 432
- 568

Question - 2

The HCF of two numbers is 16 and their LCM is 160. If one of the number is 32, then the other number is

- 60
- 80
- 90
- 100

Question - 3

The H.C.F. and L.C.M. of two 2-digit numbers are 16 and 480 respectively. The numbers are :

- 40,50
- 50.56
- 60,68
- 80,96

Question - 4

The product of two numbers is 216. If the HCF is 6, then their LCM is

- 23
- 33
- 36
- 42

Question - 5

Product of two prime numbers is 117. Then their L.C.M. is

- 9
- 13
- 117
- 111

Question - 6

Find the greatest possible length which can be used to measure 4m 3cm, 4m 34cm, and 4m 65cm exactly.

- 13
- 31
- 14
- 41

Question - 7

L.C.M of 2/3, 4/9, 5/6 and 7/12 is?

- 1/12
- 3/25
- 25/9
- 140/3

Question - 8

H.C.F . of 1/2, 3/4, 5/6, 7/8, 9/10 is?

- 1/12
- 1/13
- 1/23
- 1/120

Question - 9

L.C.M of 3³, 4, 4² and 3 is?

- 120
- 432
- 549
- 567

Question - 10

H.C.F . of 2³, 3² and 15 is?

- 2³
- 1/13
- 1
- 8

Question - 11

H.C.F of 42, 63 and 140 is?

- 7
- 9
- 13
- 31

Question - 12

The H.C.F of two numbers is 12 and their difference is also 12. The number are?

- 66,78
- 70,82
- 84,96
- 94,106

Question - 13

H.C.F of three numbers is 12. If they be in ratio 1: 2: 3, the numbers are ?

- 1,2,3
- 2,4,6
- 12, 24, 36
- 13,26,42

Question - 14

L. C . M of 2/7, 3/14 and 5/ 3 is ?

- 12
- 24
- 30
- 35

Question - 15

The smallest number, which when diminished by 3, is divisible by 21, 28, 36 and 45 is ?

- 340
- 1263
- 1342
- 1456

Question - 16

The H.C.F and L.C.M of two number are 44 and 264 respectively. If the first number is divided by 2, the quotient is 44. The other number is

- 34
- 45
- 132
- 143

Question - 17

The LCM of two number is 48. The number are in the ratio of 2:3. Find sum of the numbers.

- 20
- 30
- 40
- 50

Question - 18

Find the LCM of 1/3, 2/9, 5/6 and 4/27.

- 20/3
- 3/20
- 2/13
- 13/2

Question - 19

The HCF and LCM of two numbers m and n are respectively 6 and 210. If m + n = 72, then 1/m + 1/n is equal to

- 1/11
- 2/35
- 1/17
- 3/35

Question - 20

The ratio of two numbers is 5 : 6 and their LCM is 480, then their HCF is

- 4
- 8
- 12
- 16

Practice more set questions

Practice More sets Questions

Topic wise Aptitude

- Simplification
- Simple Interest
- Compound Interest
- Averages
- Profit and Loss
- Time and Work
- Time and Distance
- Problems on Trains
- Number System
- Percentage
- Partnership
- Simple Equations
- Alligation or Mixture
- Ratio and Proportion
- Probability
- Permutation and Combination
- Data Interpretation
- Geometry
- Fraction
- LCM and HCF