What is the smallest number which, when increased by 7, is divisible by 7, 8, and 24?

What is the smallest number which, when increased by 7, is divisible by 7, 8, and 24?

Quiz

Answer/Solution

161

Steps/Work

LCM(7,8,24)=24x7=168
So the least divisible number is 168, and the number we are looking for is 168-7=161.
The answer is B.

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What is the smallest number which, when increased by , is divisible by , , and ?

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