Question

Which is one way to check 102 ÷ 6 = 17?

Answer 1

Your answer is c 100 ÷ 5 = 20

Answer 2

Solution:

102 ÷ 6 = 17

As you can see , 102 has unit digit of 2 ,it means it is divisible by 2

Sum of digits of (102) = 1 + 2 =3, it means it is divisible by 3 also.

So , if a number is divisible by 2 and 3 it means it is divisible by 6 also.

Option (A) and Option (C) are true options which are

105 ÷ 5 = 21, and 100÷5 =20

The reason being if you will look at the unit digit of 105 and 100 , it is 5 and 0. So if a number have unit digit either 5 or 0 it is divisible by 5.