Discussion of Question with ID = 012 under HCF-and-LCM

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Question

Which is the least number which must be added to 23933 so that it becomes divisible by 18, 95 and 84?

A

7.

B

8.

C

6.

D

9.

Soln.
Ans: a

The LCM of 18, 95 and 84 = 23940. The lcm when divided by either of these numbers leaves the remainder 0. The minimum number to be added is 23940 - 23933 = 7.


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