20 times
19 times in all, including twice in 66.
48
20 times
There are 3168 such numbers.
444
The number 7 occurs once. The digit 7 occurs 20 times.
73
30 times because when you count up in tens this is the answer
how many times gerater is the underlined digit 5 in 365,486,201 than the digit 5
16000
Including the one in ' 1 ' and the one in '100', there are 21 1s.Every other digit 2 - 9 appears 20 times between 1 and 100 .