Question

In two-digit numbers, how many times does the digit 5 occur in
(i) the ten's place (ii) the unit's place?

Answer 1

(i) In ten's place i.e., starting from 50 to 59,
5 occur 10 times

(ii) In units place, i.e., 15, 25, 35, 45, 55, 65, 75, 85, 95
5 occur 9 times