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UPSC Civil ServicesPrelims2022General Studies Paper II (CSAT)
Question
QQ79. What is the number of numbers of the form 0·XY, where X and Y are distinct non-zero digits?
Options
- A 72
- B 81
- C 90
- D 100
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Correct Answer
A 72
Model Answer
Answer: option A, as per UPSC's final answer key (Series A).