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A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?
- A3.75 days
- B4 days
- C5 days
- D6 days
Correct answer: A
Discussion 1
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CCommunity
3.75 days
1/6 + 1/10 = 8/30 = 4/15
15/4 = 3.75 days
1/6 + 1/10 = 8/30 = 4/15
15/4 = 3.75 days