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

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
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