178,507 views
22 votes
22 votes
A book contains 1 to 124 pages numbered from 1 to 124 how many times does the digit 7 appear

User Juderb
by
3.1k points

1 Answer

11 votes
11 votes
Answer:
The number 7 appears 21 times.

Step-by-step explanation:
7, 17, 27, 37, 47, 57, 67, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 87, 97, 107, 117
User Tarun Konda
by
3.1k points