What must be subtracted from the greatest five digit number so as to find the greatest five digit number divisible by 23 ?
(A) 22
(B) 20
(C) 18
(D) 16


Answer: (C)

Explanation: 99999 is the greatest five digit number.

On dividing 99999 by 23 we get a remainder of 18.
It means 18 must be subtracted from 99999 to find greatest 5 digit number divisible  by 23.

Thus, C (18) is the correct choice.

Quiz of this Question