Find the least number must be subtracted from 105829 so that remaining no.is divisible by 21?
Choose the correct choice from the following answers
A) 7
B) 10
C) 20
D) 32
E) 35

Rationale: "on dividing 105829 by 21 we get the remainder 10 , so 10 should be subtracted answer is b"
Answer: B