Find the largest 5 digit number Which is exactly divisible by 48

Hint: largest 5-digit number is 9 written 5 times. Similarly largest 1-digit number is 9. Similarly largest 2-digit number is 99 and so on .

99999/48
Quotient= 2083
Remainder= 15
The required number = 99999-15
=99984

Hint: Remainder is the excess amount in the dividend (99999). Therefore this excess amount is deducted to get the exact dividend divisible by 48.