Question

find the smallest 3 digit number exactly divisible by 8 and 12

Answer 1

First we need to find the first 3 digit number in 12's table.

it's 108 and 120

let's check if 108 is divisible by 8
$108 \div 8 = 13.5$
it is not the answer

CHECK if 120 is divisible by 8

$120 \div 8 = 15$
120 is fully divisible by 8

there fore the answer is 120