Question

Choose all the numbers that 135 is divisible by.

2
3
4
5
6
9
10

Answer 1

3,5,9

Explanation:

I use the method

if it is even can be divisible by 2

if the first 3 numbers add to something divisible by 3

4 if the first 2 numbers add up to be divisible by 4

5 has to end in 0 or 5

6 has to be divisible by 2 AND 3

9 has to be divisible by 3