Practice Time and work Questions and Answers

• ‘X’ and ‘Y’ together can complete a work in 10 days, while ‘Y’ and ‘Z’ together can complete the work in 8 days. If ‘Y’ takes 12 days t...
• A and B together, B and C together and A and C together can complete a piece of work in 44 days, 33 days and 36 days respectively. Find the ratio of the ef...
• A and B together, B and C together and A and C together can complete a piece of work in 14 days, 15 days and 18 days respectively. Find the ratio of the ef...
• A and B together, B and C together and A and C together can complete a piece of work in 12 days, 11 days and 9 days respectively. Find the ratio of the eff...
• A and B together, B and C together and A and C together can complete a piece of work in 10 days, 14 days and 18 days respectively. Find the ratio of the ef...
• A and B together, B and C together and A and C together can complete a piece of work in 80 days, 60 days and 70 days respectively. Find the ratio of the ef...
• A and B together, B and C together and A and C together can complete a piece of work in 40 days, 30 days and 50 days respectively. Find the ratio of the ef...
• A and B together can complete a piece of work in 30 days while A alone can complete 50% of the work in 40 days. Find the time taken by B to complete 75% of...
• A and B together can complete a piece of work in 32 days while A alone can complete 40% of the work in 32 days. Find the time taken by B to complete 60% of...
• 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 12 days while A alone can complete 70% of the work in 14 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 twice as efficient as B and can finish a piece of work in 20 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 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 350 hours, while B2 type ‘Q’ pipes can fill the same tank in 504 hours. (10A × 6B) type ‘P’ pipes can fil...
• 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...