Crack IBPS PO : Time and Work : Aptitude day 78

Q.1)  Popeye started a work and left it after 9 days. The remaining work is completed by pope. So, the work gets completed in 25 days. Pope can alone finish the work in 16 days. Find the number of days in which Popeye can alone finish the work?

a) 14 days

b) 16 days

c) 18 days

d) 20 days

e) None of these

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Q.2) Damon and Oliver work together in a farm, 25% of the work is completed in two days, if they work together. Due to some illness Oliver started at  1/3 rdof his efficiency and Damon starts working at twice his efficiency so that the work is completed in time, then what is the difference between the number of days in which both of them working together originally completed the work and number of days in which Damon alone would have completed the work if he works at his original efficiency?

a) 14days

b) 16days

c) 12days

d) 20days

e) None of these

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Q.3) A certain number of people get together to contribute in the construction of a charity hospital. But for every month four people step out of this plan. Due to this the task is completed in  1/2  more years instead of one year. Then how many people were originally involved in this group?

a) 143

b) 102

c) 120

d) 133

e) None of these

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Q.4) Pipe A can fill the tank in 30 hours when it works at 60% of its efficiency. Pipe B is one third as efficient as pipe A. How long will it take if both the pipes operate simultaneously at their 100% efficiency?

a) 14 hours

b) 12 hours

c) 11 hours

d) 10 hours

e) None of these

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Q.5) 10 men can do 66.66% work in 10 days. 5 women can do 37.5% of same work in 9 days. Then in how many days can 80% of same work be done by 5 men and 2 women working together?

a) 14 Days

b) 15 days

c) 16 days

d) 18 days

e) None of these

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Q.6)The amount of work to be done in a company is increased by 90%. By what percentage is it necessary to increase the number of workers to complete the new work in the same time as before if the new workers are 50% more efficient?

a) 75%

b) 60%

c) 50%

d) Cannot be determined

e) None of these

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Q.7) 10 men can complete a work in 48 days. 16 women can complete the same piece of work in 60 days. 8 men and 20 women work together for 20 days, if only the women were to complete the remaining work in 4 days, then how many women would be required?

a) 40 women

b) 60 women

c) 80 women

d) 50 women

e) none of these

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Q.8) Two farmers want to install tube wells of equal size in their farms. The first one employs 6 men and 4 women and gets the work completed in 14 days. The second one employs 8 men and 7 women and gets the work completed in 10 days to complete the same work. If a third farmer employs 1 man and 1 woman, how long would it take them to build the tube well for him?

a) 700/9 days

b) 500/9 days

c) 800/9 days

d) 75 days

e) None of these

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Q.9) P, Q and R together can complete a piece of work in 8 days. Q and R started working and P joined them after 6 days and it took them another 6 days to complete the work. Find the number of days which p alone can complete the work?

a) 14 days

b) 12 days

c) 15 days

d) 18 days

e) None of these

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Q.10) A chair manufacturer signs a contract to build 20000 chairs in 30 days and employs 40 men for the purpose. After 10 days, he finds that only 2000 chairs have been made. He employs some extra man to finish the work in 30 days. If the manufacturer had hired the extra men from the beginning , how many days would it have taken to complete the work?

a) 200/9 days

b) 100/3 days

c) 125/6 days

d) 34 days

e) None of these.

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