Question

A number is 106r is divisible by 6.what is the value of r?

Answer 1

Answer:

The least value of r is 2

Step-by-step explanation:

The divisibility rule of 6 is the number should be divisible by both 2 and 3.

By Hit and Trial,

1061 it is not divisible by 2

1062 it is divisible by 2 because unit digit is 2.

It is divisible by 3 also because sum = 1+6+0+2 = 9.

So the least value of r is 2