Top 10 Questions (H.C.F. and L.C.M.) for SSC CGL and CHSL

Top 10 Questions Arithmetic Ability for SSC CGL and CHSL

Top 10 Questions (H.C.F. and L.C.M.) for SSC CGL and CHSL

Answers are in bold

1)

If sum of two numbers is 216 and their H.C.F. = 27. How many pairs of such numbers are there ?

A) 1
B) 2
C) 3
D) 0

2)

If the product of LCM and HCF of two numbers is 24. Find the greater number if their difference is 2?

A) 3
B) 4
C) 6
D) 8

3)

The sum of two numbers is 45. Their difference is 1/9 of their sum. Their L.C.M. is

A) 200
B) 250
C) 100
D) 150

4)

If two numbers are in the ratio of 3:4. Find the smaller number if their LCM=240.

A) 100
B) 80
C) 60
D) 50

5)

The sum of two numbers is 45 and their HCF and LCM are 3 and 168 respectively. The sum of the reciprocals of the numbers will be

A)
B)
C)
D)

6)

Two numbers are in the ratio 5:6. If their LCM is 120, their HCF will be

A) 12
B) 10
C) 8
D) 4

7)

The sum of two 2-digit numbers is 132. If their HC is 11, the numbers are

A) 55, 57
B) 44, 88
C) 33, 99
D) 22, 110

8)

The LCM of two numbers is 45 times their HCF. If one of the numbers is 125 and the sum of HCF and LCM is 1150, the other number is

A) 215
B) 220
C) 225
D) 235

9)

The HCF and product of two numbers are 15 and 6300 respectively. The number of possible pairs of the numbers is

A) 4
B) 3
C) 2
D) 1

10)

The LCM of two numbers is 12 times their HCF. The sum of the HCF and the LCM is 403. If one of the numbers is 93, then the other number is

A) 124
B) 128
C) 134
D) 138