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Aptitude Day 236

Problems to solve on Time and Work:

1. A can do a certain work in 5 hours. B and C together can do it in 2 hours, while A and C together can do it in 3 hours. How long will B alone take to do it?

2. A and B can do a work in 10 days, B and C in 15 days, C and A in 20 days. If A, B and C work together, they will complete the work in:

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