Question

How many 2-digit numbers satisfy the following conditions?a)If divided by 3,the remainder is 0 b) if divided by 7,the remainder is 1 c) if devided by 5, the remainder is 1.

Answer 1

Answer:

a) 30 two digit nos. are divisible by 3 with leaving remainder 0

b) 13 nos. are divisible by 7 with leaving remainder 1

c) 16 nos. are divisible by 5 with leaving remainder 1