Question

The smallest number which when reduced by $7$ is divisible by $12,16$ and $18$:

• A. $199$
• B. $223$
• C. $151$
• D. $287$

Answer 1

Answer: (C)

$151$

Taking LCM of $12,16$ & $18$ will give the smallest number divisible by $12,16$ & $18$.
The LCM $=144$
So the smallest number $=144+7=151$
Hence, option $C$ is the correct answer.