engineering recuitment NPCIL Stipendiary Trainee (Category II) Prelims 2025 Mock Test Quantitative Aptitude Algebra Linear Equation in 2 Variable
The sum of a two-digit number and the number obtained by reversing the digits is 99. If the digits of the number differ by 7, then the two-digit number can be:
1
29
2
92
3
19
4
81