11.
10, 20, 30, 40, 50, 60, 70, 80 and 90 have One 0's each plus the number 100 has Two 0's hence making the total as 11.
20.
20 remember to include 60, 61, 62, 63, 64, 65, 66 ........
It depends: if you mean 6 as in 60 then 11, if you mean 6 as in 36 then 10 or if you mean 6 as in 6 then 1.
Let's see313233033435363738393So there are 11 numbers from 1-100 that have a 3.
1to 100
The only common multiple in that range is 100.
5
1to 4 children
The sum of 2 and 97 is 99.
1to 5
300 times
738 numbers