9
There are 90 two-digit whole numbers between 1 and 100.
90 of them.
There is: 101,111,121,131,141,151,161,171,181,191 202,212,222,etc... 999 There are 90 palindromic 3 digit numbers
There are 90 such numbers.
Three-digit numbers start at 100. Two-digit numbers start at 10. So out of 1 - 99, the first 9 don't count. That leaves 99 - 9 = 90.
There are 90 two-digit numbers... starting with 10 and ending with 99.
90
90
90
90
90
Assuming the question is about reversed, the answer is 90.