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Time & Work Quiz

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Question 1

X and Y together can finish a task in 12 days. If Y alone can finish the same task in 15 days, then how many days will X alone take to finish the task?

Question 2

A and B working together can do a piece of work in 28 days, B and C together can do it in 42 days, C and A together can do it in 35 days. If A, B and C work for 20 days, how many days will B alone complete the remaining work?

Question 3

Anuj hires 25 people and all the people can complete the work in 36 days. But seeing their disinterest Anuj hires 10 more person after every 4 days. Then how many days before the work will be finished?

Question 4

P and Q can complete a piece of work in 7 days and 9 days respectively. P begins to do the work and they work alternatively one at a time for one day each. Then in how many days they can complete the whole work?

Question 5

A can do a piece of work in 12 days. He worked for 6 days and left, and then B finished it in 10 days If both work together, then in how many days will they finish the same work?

Question 6

P is 40% more efficient than Q and R is 30% less efficient than Q. Working together they can finish the work in 25 days. In how many days will P complete 70% of that work?

Question 7

Two pipes can fill a tank in 13 min. and 15 min. respectively and a waste pipe can empty 57.5 gallons per minute. All the three pipes working together can fill the tank in 39 min. The capacity of tank is.

Question 8

X and Y together can do a work in  days, Y and Z together can do the same work in 3 days, and X and Z together can do the same work in 4 days. The time taken by X, Y and Z together to do the same work is:

Question 9

Rohit and Ram can complete a piece of work working together in 18 days. If Rohit work for 5 days and Ram work for 9 days, then 60% of the whole work is still pending. In how much time Ram alone can do the 33% of total work?

Question 10

A can complete a certain work in 30 days. He started the work. After 4 days, B joined him and the whole work was completed in 10 days from the beginning. B alone can complete one-third of the same work in:
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