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A and B can do a piece of work in 3 days, B and C in 4 days, C and A in 6 days. How long will C take to do it?
- A18 days
- B20 days
- C24 days
- D30 days
Correct answer: C
Discussion 1
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CCommunity
24 days
2c = ¼ + 1/6 – 1/3 = 1/12
c = 1/24 => 24 days
2c = ¼ + 1/6 – 1/3 = 1/12
c = 1/24 => 24 days