How many times does the digit 7 appear from 1 to 100?
How many times does the digit 7 appear from 1 to 100?
Explanation
Digit 7 appears in both units and tens places.
Total count = 9 (units) + 9 (tens) + 1 (double 7 in 77)
= 19 + 1
= 20 times.
Digit 7 appears in both units and tens places.
Total count = 9 (units) + 9 (tens) + 1 (double 7 in 77)
= 19 + 1
= 20 times.