Question

find the smallest number which when added to 5 is exactly divisible by 12,14,18
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Answer 1

247

Answer. So,252 is the smallest number which is divisible by each of 12,14 and 18. Hence 247 is the smallest number which when added by 5 is divisible by 12,14,18.

Answer 2

Answer:

Step-by-step explanation:

Find the lcm (12,14,18)

12 = 2^2 * 3

14 = 2*7

18 = 2 * 3^2

l.c.m = 2^2 * 3^2 * 7 = 252

So,252 is the smallest number which is divisible by each of 12,14 and 18.

252-5 = 247

Hence 247 is the smallest number which when added by 5 is divisible by 12,14,18.

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