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Quantitative Aptitude : Questions Answers : LCM and HCF



1.

Find the HCF of 42 and 70.

A. 10

B. 14

C. 18

D. 22



2.

Find the LCM of 18, 24, 60 and 150.

A. 100

B. 500

C. 1800

D. 2000



3.

Find the HCF of 54/9, 60/17  and 36/51

A. 3/20

B. 5/22

C. 4/3

D. 6/17



4.

The LCM of two numbers is 112 and of HCF is 4. If one number is 28 find out the next number.

A. 10

B. 16

C. 18

D. 20



5.

What is the greatest number which leaves the same number as remainder when it divides 52, 86 and 120.

A. 24

B. 42

C. 34

D. None of these.