3 years ago in Time and Work

# 10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?

[A] 3
[B] 5
[C] 7
[D] Cannot be determined
[E] None of these

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## Related Questions

• [A] 8 days
• [B] 10 days
• [C] 12 days
• [D] 15 days

### Two pipes A and B can fill a tank in 36 hours and 45 hours respectively. If both the pipes are opened simultaneously, how much time will be taken to fill the tank?

• [A] 25 hrs
• [B] 45 hrs
• [C] 16 hrs
• [D] 20 hrs
• [E] None of these

### Three pipes A,B and C attached to a cistern. A can fill it in 10 min, B in 15 min, C is a waste pipe for emptying it. After opening both the pipes A and B, a man leaves the cistern and returns when the cistern should have been just full. Finding, however, that the waste pipe had left open, he closes it and the cistern now gets filled in 2 min. In how much time the pipe C, if opened alone, empty the full cistern?

• [A] 12 min
• [B] 16 min
• [C] 18 min
• [D] 15 min
• [E] None of these

### Amit and Babu can do a piece of work in 18 days; Babu and Chandu can do it in 24 days Amit and Chandu can do it in 36 days. In how many days will Chandu finish it alone?

• [A] 144
• [B] 124
• [C] 64
• [D] 81
• [E] None of these

### A cistern can be filled by two pipes in 20 and 30 minutes respectively. Both pipes being opened, when the first pipe must be turned off so that the cistern may be filled in 10 minutes more.

• [A] after 10 minutes
• [B] after 12 minutes
• [C] after 20 minutes
• [D] after 8minutes