← All previous year questions
UPSC Civil ServicesPrelims2024General Studies Paper II (CSAT)
Question
QQ35. Let X be a two-digit number and Y be another two-digit number formed by interchanging the digits of X. If (X + Y) is the greatest two-digit number, then what is the number of possible values of X?
Options
- A 2
- B 4
- C 6
- D 8
Show AnswerHide Answer
Correct Answer
D 8
Model Answer
Answer: option D, as per UPSC's final answer key (Series A).