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A book contains 1 to 124 pages numbered from 1 to 124 how many times does the digit 7 appear

A book contains 1 to 124 pages numbered from 1 to 124 how many times does the digit 7 appear
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4 votes
A book contains 1 to 124 pages numbered from 1 to 124 how many times does the digit 7 appear

User Peyman Mohamadpour
by
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1 Answer

4 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 Pranav Labhe
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