10
10 - 101,111,121, ...
There are ten such numbers.
201
350
there are 90 palindromes in 100 to 1000 As; 10 palindromes in each 100 and upto 1000, there are 9 hundreds.Therefore; 9 into 10 is equal to 90
6.
There are ten: 101, 111, 121, 131, 141, 151, 161, 171, 181, 191.
101, 131, 151, 181, 191 Five of them.
40.
30 palindromes.
101, 111, 121, 131, 141, 151, 161, 171, 181 and 191.
25 numbers are between 1-100.