what number between 104 and 140 is exactly divisible by 6 and exactly exactly divisible by 15?

Question

Between 104 and 140

Answer 1

so it is divisible by 2, 3, and 5 or 30

answer is 120

Answer 2

Here is the 15 x table.

15,30,45,60,75,90,105,120,135.

It must be either 105, 120 or 135.

Just from looking at the numbers, the answer will be 120, as 6*2 is 12 therefore 6*20 is 120 so this is divisible by 6, and divisible by 15.