Question

How many times does the digit 9 occur between 1 and 100?
(a) 11
(b) 15
(c) 18
(d) 20

Answer 1

In units place, i.e., 9, 19, 29, 39, 49, 59, 69, 79, 89, 99
9 occur 10 times
In ten's place i.e., starting from 90 to 99,
9 occur 10 times
∴Total = 20 times
Hence, the correct answer is option (d).