Practice Time and work Questions and Answers

• Gagan can do a piece of work in 14 days. Magan is 40% more efficient than Gagan. How many days will Magan and Gagan together complete the work?
• A 40 hectare field is reaped by 4 men, 6 women and 8 children together in 10 days. If working capabilities of a Man, a Woman and a Child are in the ratio 6...
• Rohan can do a piece of work in 30 days. Rohan with the help of Karan does the same piece of work in 20 days. If they are paid Rs 3696 for the work, then w...
• Sudhanshu completes `1/3` of work in 12 days, then he completes the remaining work with the help of Neeraj in 4 days. The time required for  Nee...
• A can complete `1/4`    of a work in 6 days and B can complete `2/5`  of the work in 12 days. In how many days can both A and B together com...
• Ganga, Yamuna &Saraswati can complete a piece of work in 30, 40 & 60 days respectively. All 3 of them started working together and after 4 days, Ga...
• 5 girls can do a piece of work in 9 days, 4 boys can do the same piece of work in 8 days, 6 men do the same piece of work in 2 days  and 4 women can d...
• 28 men can complete a work in 20 days. 40 women can complete the same work in 28 days. 20 men and 12 women started working and after 16 days, 20 more women...
• P can do a piece of work in 20 days, Q can do the same piece of work in 24 days while R can do it in 30 days. They started working together but after 4 day...
• A man, a woman and a boy can do a work in 3, 2, 6 days respectively. How many children were required with 1 man and 1 woman to complete the same work in 1/...
• A is twice efficient as B and B can do a piece of work in 40 days. B started the work and after a few days A joined him. They completed the work in 32 days...
• 8 children and 6 women together can complete a piece of work in 10 days and work done by a children in one day is one-third of the work done by a women in ...
• A contractor undertook to make 20 km of roadway in 48 weeks. In 28 weeks, 8 km was completed by 120 men working 12 hours a day. The men then agreed to work...
• The efficiency of P, Q, R, S are in the ratio of 6:5:4:3. If P and R can do a work together in 6 days. Then How many days Q and S will take to complete the...
• A man, a woman and a girl can together complete a piece of work in 60 days. If 10 men can do it in 16 days and 8 girls can finish it in 30 days, how long w...
• X can build a wall in 15 days, Y can build same wall in 25 days and Z can destroy the same wall in 30 days. If X & Y worked together for P days after that ...
• A pipe can fill a tank in 20 hours, and B pipe can drain a tank in 15 hours. If a system of N pipes (fill pipes and drain pipes put together) can fill the ...
• A pipe can fill a tank in 14 hours, and B pipe can drain a tank in 21 hours. If a system of N pipes (fill pipes and drain pipes put together) can fill the ...
• A tank is filled by three pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is fil...
• A and B together can complete a job in 2 days. A alone takes x + 6 days to complete the job, while B alone takes x + 24 days to complete the same job. 1.W...
• A can do a piece of work in 21 days and B in 28 days. If they together work on it for 5 days, then the fraction of the work that is left is :  
• A can complete 5/6 of a work in 15 days and B can complete 2/3 of work in 8 days. In how many days both A and B together can complete the work?
• Team A can built a project in 6 hours less than the time taken by Team B to built the same project. The ratio of the strength of Team A to that of Team B i...
• Team A can built a project in 6 hours less than the time taken by Team B to built the same project. The ratio of the strength of Team A to that of Team B i...
• A Mahalaxmi tourist bus with only the driver inside has a speed of 60 kmph. Its maximum speed reduces by a quantity which is directly proportional to the n...
• A and B together can do a work in 10 days, B and C can do together in 5 days while C and A together can do in 12 days. In how many days C alone will comple...
• A, B and C can complete the whole work in 20 days. A starts the work and works for ‘x’ days while B and C complete the remaining 3/5 of the wor...
• Efficiency of A is 25% more than B and B takes 30 days to complete a piece of work. A started the work alone and then B joined him 4 days before actual com...
• A can do a piece of work in 40 days. A is 25% more eicient than B. In how many days the work gets completed when both of them work together?
• In an office, an employee plans to do a work in 12 days with 4 laptops. But after 4 days, he found that only 40% of the work is done with the laptops worki...
• In an office, an employee plans to do a work in 15 days with 6 laptops. But after 8 days, he found that only 50% of the work is done with the laptops worki...
• In an office, an employee plans to do a work in 20 days with 6 laptops. But after 10 days, he found that only 40% of the work is done with the laptops work...
• In an office, an employee plans to do a work in 16days with 3 laptops. But after 9 days, he found that only 30% of the work is done with the laptops workin...
• A person can make 48 flower pots in an hour. Working for 3 hours daily, he has total 660 flower pots that to be made in 4 days time. To accomplish this wor...
• A, B and C can complete a work in 10, 20 and 15 days respectively. A left the work 3 days before the work was completed and B left 1 days after A had left....
• Three workers P1, P2 and P3 got work from the contractor. In 30 days, ‘P1’ completed 30% of work. ‘P2’ is 20% less efficient than &...
• X and Y alone can complete a work in 10 and 40 days, respectively. 50% of the work is completed by Z in 20t days, and the remaining work is completed by X ...
• A and B alone can complete a work in 20 and 30 days, respectively. 50% of the work is completed by C in 5x days, and the remaining work is completed by A a...
• ‘n’ men working 12 hours a day can complete a work in 15 days while (3n – 8) men working 12 hours a day can complete the same work in 9 days. In how ...
• ‘n’ men working 20 hours a day can complete a work in 8 days while (6n – 4) men working 10 hours a day can complete the same work in 8 da...