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UPSC Civil ServicesPrelims2023General Studies Paper II (CSAT)
Question
QQ36. A box contains 14 black balls, 20 blue balls, 26 green balls, 28 yellow balls, 38 red balls and 54 white balls. Consider the following statements : 1. The smallest number n such that any n balls drawn from the box randomly must contain one full group of at least one colour is 175. 2. The smallest number m such that any m balls drawn from the box randomly must contain at least one ball of each colour is 167. Which of the above statements is/are correct ?
Options
- A 1 only
- B 2 only
- C Both 1 and 2
- D Neither 1 nor 2
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Correct Answer
C Both 1 and 2
Model Answer
Answer: option C, as per UPSC's final answer key (Series A).