Find the smallest number that must be added to 128, so that it becomes

1.	Find the smallest number that must be added to 128, so that it becomes exactly divisible by 5.
Answer» Given number be 128. A number to be divisible by 5, its unit digit must be ‘0’ or ‘5’. So, 128 + 2 = 130 is divisible by 5 128 + 7 = 135 is divisible by 5 In these two numbers, 2 is the smallest number. The smallest number to be added is 2.

Find the smallest number that must be added to 128, so that it becomes exactly divisible by 5.

Answer»

Given number be 128.

A number to be divisible by 5, its unit digit must be ‘0’ or ‘5’.

So, 128 + 2 = 130 is divisible by 5

128 + 7 = 135 is divisible by 5

In these two numbers, 2 is the smallest number.

The smallest number to be added is 2.