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UPSC Civil ServicesPrelims2023General Studies Paper II (CSAT)
Question
QQ20. A, B, C working independently can do a piece of work in 8, 16 and 12 days respectively. A alone works on Monday, B alone works on Tuesday, C alone works on Wednesday; A alone, again works on Thursday and so on. Consider the following statements : 1. The work will be finished on Thursday. 2. The work will be finished in 10 days. 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
A 1 only
Model Answer
Answer: option A, as per UPSC's final answer key (Series A).