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UPSC Civil ServicesPrelims2023General Studies Paper II (CSAT)
Question
QQ4. Raj has ten pairs of red, nine pairs of white and eight pairs of black shoes in a box. If he randomly picks shoes one by one (without replacement) from the box to get a red pair of shoes to wear, what is the maximum number of attempts he has to make ?
Options
- A 27
- B 36
- C 44
- D 45
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Correct Answer
D 45
Model Answer
Answer: option D, as per UPSC's final answer key (Series A).