railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test Quantitative Aptitude Number System Quick Math
If the square of a two-digit number is reduced by the square of the number formed by reversing the digits of the number, the final result is:
1
divisible by 11
2
divisible by 9
3
Divisible by both 9 and 11
4
None of these