Without doing the actual division, find the remainder when 28735429 is divided by 9.

Options
a) 8
b) 9
c) 4
d) 2

Solution

As per question
The sum of digits of a number which is divisible by 9 will also be divisible by 9
2 + 8 + 7 + 3 + 5 + 4 + 2 + 9 / 9 = 40/9
Remainder = 4

Answer: 4