Question

(5) How many three-digit numbers are there, which leave a remainder 3 on
division by 7?

Answer 1

Answer:

sorry mate I don't know the answer to that question

Answer 2

Answer:

Since, all the numbers between 100 and 999 which are divisible by 7 and leaves the remainder 3 are in AP, where, a = 101, l = 997 and d = 7. Hence, there are 129 numbers between 100 and 999 which are exactly divisible by 7 and leaves the remainder 3.

hope this helps :)