Question

How many 2 digit numbers are divisible by 7

Answer 1

14,21,28.............98

a = 14

d = 21

L = 98

=> a +(n-1)d = 98

=> 14 + (n-1) 7 = 98

=> (n-1)7 = 84

=> n-1 = 12

=> n = 13

Required number of terms = 13

Answer 2

This is the answer according to me.