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Practice Time and work Questions and Answers

A and B together can complete a piece of work in 25 days while A alone can complete 50% of the work in 50 days. Find the time taken by B to complete 66% of...
A and B together can complete a piece of work in 30 days while A alone can complete 50% of the work in 25 days. Find the time taken by B to complete 80% of...
A and B together can complete a piece of work in 30 days while A alone can complete 50% of the work in 25 days. Find the time taken by B to complete 20% of...
A and B together can complete a piece of work in 48 days while B and C together can complete the same work in 58 days. All of three together can complete 8...
A and B together can complete a piece of work in 40 days while B and C together can complete the same work in 36 days. All of three together can complete 8...
A and B together can complete a piece of work in 55 days while B and C together can complete the same work in 66 days. All of three together can complete 8...
B is 20% more efficient than A. If B was 60% more efficient than A, then, B could complete the work in 18 days lesser than days taken by A. What fraction o...
A is five times as efficient as B and can finish a piece of work in 36 days less than B. B can finish this work in how many days?
A is thrice as efficient as B and can finish a piece of work in 32 days less than B. B can finish this work in how many days?
A is twice as efficient as B and can finish a piece of work in 22 days less than B. B can finish this work in how many days?
A is five times as efficient as B and can finish a piece of work in 24 days less than B. B can finish this work in how many days?
X can do a piece of work in 20 days. He worked at it for 5 days and then Y finished it in 15 days. In how many days can X and Y together finish the work?
X can do a piece of work in 36 days. He worked at it for 6 days and then Y finished it in 20 days. In how many days can X and Y together finish the work?...
X can do a piece of work in 25 days. He worked at it for 5 days and then Y finished it in 24 days. In how many days can X and Y together finish the work?
X can do a piece of work in 15 days. He worked at it for 3 days and then Y finished it in 16 days. In how many days can X and Y together finish the work?
X can do a piece of work in 30 days. He worked at it for 5 days and then Y finished it in 20 days. In how many days can X and Y together finish the work?
X can do a piece of work in 25 days. He worked at it for 10 days and then Y finished it in 24 days. In how many days can X and Y together finish the work?...
A can fabricate a divider in 10 days , while B alone can assemble it in 12 days, If they construct it together and get an installment of Rs 2200, then find...
A can fabricate a divider in 15 days , while B alone can assemble it in 25 days, If they construct it together and get an installment of Rs 7000, then find...
12 man can make a wall in 5 days. How many men required to complete the same work in 6 days ?
A2 type ‘P’ pipes can fill a tank in 450 hours, while B2 type ‘Q’ pipes can fill the same tank in 648 hours. (10A × 6B) type ...
Working alone, B can complete the work in 30 days. C is twice as efficient as B and A takes 3 days more than it takes C to complete the work. Working toget...
Working alone, B can complete the work in 30 days. C is twice as efficient as B and A takes 20 days more than it takes C to complete the work. Working toge...
x men can finish a work in y days. 0.9x women can finish 1/3rd of the same work in (y - 8) days. If 0.8x women can complete 1/3rd work in 36 days. Find 0.5...
A does 1/2 work and B does 3/4 work in the same time. Difference between number of days taken by A and B to work alone to complete the work individually is...
90 men can complete a work in 32 days. Eight days after they started working, 72 more men joined them. How many days will they now complete the remaining w...
A alone work for 6 days then left the work and B alone finishes remaining work in 12 days. If ratio of time taken by A alone to B alone to finish work is 3...
A can do a piece of work in 15 days, B is 25% more efficient than A, and C is 40% more efficient than B. A and C work together for 3 days and then C leaves...
Three men and 4 women can do a piece of work in 7 days, whereas 2 men and I woman can do it in 14 days. Seven women will complete the same work in:
A and B working together, can do a piece of work in 4(1/2) hours. B and C working together can do it in 3 hours. C and A working together can do it in 2(1/...
A can do a work in 10 days and B in 15 days. If they work on it together for 4 days then in how many days the remaining work will be completed by B?
A can do a work in 12 days and B in 16 days. If they work on it together for 3 days then in how many days the remaining work will be completed by B?
A and B together can do a work in 8 days. If A can alone do the same work in 24 days, then in how many days B alone will do the same work?
A and B together can do a work in 12 days. If A can alone do the same work in 18 days, then in how many days B alone will do the same work?
A and B together can do a work in 5 days. If A can alone do the same work in 15 days, then in how many days B alone will do the same work?
A and B together can do a work in 6 days. If A can alone do the same work in 9 days, then in how many days B alone will do the same work?
A and B together can do a work in 8 days. If A can alone do the same work in 12 days, then in how many days B alone will do the same work?
Working in a shift of 5 hours 39 workers take 12 days to build a stretch of highway. In how many days will 30 workers working 6 hours a day, complete the w...
Two workers A and B were put to some work. If A worked alone, he would have taken 8 hours more than when both A and B had worked together. If B worked alon...

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