A wall of 100 metres can be built by 7 men or 10 women in 10 days. How many days will 14 men and 20 women take to build a wall of 600 metres ?
A). 15 days
B). 16 days
C). 17 days
D). 18 days
15 days
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1. 7 men can complete a piece of work in 12 days. How many additional men will be required to complete double the work in 8 days ?
2. U, V and W together can complete a work in 15 days. U alone can complete the work in 60 days. In how many days V and W together can complete the same work?
3. A water filling Pipe P is 5 times faster than second Pipe Q. If P fills a cistern in 30 minutes. How long will it take to fill the tank, when both the pipes are kept in operation simultaneous?
4. A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days, B had to leave and A alone completed the remaining work, The whole work was completed in :
5. A large pool can be filled by two pipes P and Q in 60 and 40 minutes respectively. How many minutes will it take to fill the pool from empty state if Q is used for half the time and P and Q fill it together for the other half?
6. A can do a piece of work in 15 days. A does the work for 5 days only and leaves the job. B does the remaining work in 6 days.In how many days B alone can do the work?
7. A can do a work in 12 days while B can do it in 15 days. They undertake to complete it together for Rs. 450. what will be the share of A in this amount of money
8. A is 30% more efficient than B, and can alone do a work in 23 days. The number of days, in which A and B, working together can finish the Job is
9. A, B and C can complete a piece of work in 12, 24 and 36 days respectively. In how many days will they together complete the same work ?
10. Smita can finish a work in 12 days and Sam can finish the same work in 9 days.After working together for 4 days they both leave the job. What is the fraction of unfinished work?
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