2 years ago in Time and Work

# A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?

[A] 18 days
[B] 24 days
[C] 30 days
[D] 36 days

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## Related Questions

### A can do a piece of work in 20 days and B in 30 days. They work together for 7 days then both leave the work. Then C alone finishes the remaining work in 10 days. In how many days will C finish the full work?

• [A] 25 days
• [B] 30 days
• [C] 24 days
• [D] 20 days
• [E] None of these

### Three men A, B, C working together can do a job in 6 hours less time than A alone, in one hour less time than B alone and in one half the time needed by C when working alone. Then A and B together can do the job in:

• [A] 2/3 hours
• [B] 3/4 hours
• [C] 3/2 hours
• [D] 4/3 hours

• [A] 260
• [B] 240
• [C] 280
• [D] 520

### Consider a group of working men. If 1/10th of the workers are absent then work of each person would be increased by.

• [A] 20%
• [B] 22.22%
• [C] 10%
• [D] 11.11%
• [E] None of these

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• [A] 6th hour
• [B] 7th hour
• [C] 5th hour
• [D] 8th hour
• [E] data insufficient