Question

What least number should be added to 21185 to get a number exactly divisible by 23?

Answer 1

Given:

What least number should be added to 21185 to get a number exactly divisible by 23?

Solution:

Divide 21185 by 23.

After dividing 21185 by 23, we will get:

Quotient = 921

Remainder = 2

Now, subtract the remainder from the divisor.

Divisor = 23

Remainder = 2

=> 23 - 2 = 21

So, the required number = 21

21 must be added to 21185 to get a number exactly divisible by 23.

21185 + 21 = 21206

21206 is exactly divisible by 23.