2 years ago in Time and Work

# Subhash can copy 50 pages in 10 hours; Subhash and Prakash together can copy 300 pages in 40 hours. In how much time can Prakash copy 30 pages?

[A] 13 h
[B] 12 h
[C] 11 h
[D] 9 h
[E] 10 h

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## Related Questions

• [A] 30 days
• [B] 40 days
• [C] 60 days
• [D] 70 days

### A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work?

• [A] 36
• [B] 25
• [C] 37.5
• [D] 48
• [E] None of these

### A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:

• [A] 9 1/5 days
• [B] 9 2/7 days
• [C] 9 3/5 days
• [D] 10

### A pipe can fill a tank in 0.9 hours and another pipe can empty in 0.7 hours. If tank is completely filled and both pipes are opened simultaneously then 450 liters of water is removed from the tank is 2.5 hours. What is the capacity of the tank?

• [A] 200 liters
• [B] 350 liters
• [C] 456 liters
• [D] 567 liters
• [E] None of these

### 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

• [A] 35
• [B] 40
• [C] 45
• [D] 50
• [E] None of these