Practice Time and work Questions and Answers

• 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...
• ‘n’ men working 16 hours a day can complete a work in 10 days while (2n – 4) men working 10 hours a day can complete the same work in 9 d...
• A can do a piece of work in 24 days. B can do the same work in 16 days and C can do the same work in 5/4th time required by both A and B together. A and B ...
• X, Y and Z can do a piece of work in 90 days, 40 days and 120 days respectively. If they all work together alternatively starting with X, Y than Z respecti...
• N workers can complete a piece of work in 50 days. When 5 more workers joined, then the work got completed in 40 days, then what is the value of N?
• Virat can do a piece of work in 20 days and Sachin can do the same work in 30 days. If Virat works for 4 days and got Rs. 2400, and the remaining work will...
• Virat can do a piece of work in 26 days and Sachin can do the same work in 39 days. If Virat works for 5 days and got Rs. 3000, and the remaining work will...
• Virat can do a piece of work in 28 days and Sachin can do the same work in 42 days. If Virat works for 4 days and got Rs. 1800, and the remaining work will...
• Virat can do a piece of work in 30 days and Sachin can do the same work in 45 days. If Virat works for 5 days and got Rs. 2100, and the remaining work will...
• Vijay can do a piece of work in 16 days and Sanjay can do the same work in 24 days. If Vijay works for 6 days and got Rs. 2700, and the remaining work will...
• Vijay can do a piece of work in 10 days and Sanjay can do the same work in 15 days. If Vijay works for 4 days and got Rs. 1680, and the remaining work will...
• Vijay can do a piece of work in 22 days and Sanjay can do the same work in 33 days. If Vijay works for 5 days and got Rs. 1650, and the remaining work will...
• Vijay can do a piece of work in 32 days and Sanjay can do the same work in 48 days. If Vijay works for 2 days and got Rs. 960, and the remaining work will ...
• Vijay can do a piece of work in 34 days and Sanjay can do the same work in 51 days. If Vijay works for 5 days and got Rs. 1650, and the remaining work will...
• With a bucket full of water, a tank can be filled with 16 buckets. When each bucket holds 12.5 liters of water, how many buckets of 10-liter capacity can b...
• ‘A’ and ‘B’ together can complete a work in 16 days, while ‘B’ and ‘C’ together can complete the work in 12...
• ‘A’ and ‘B’ together can complete a work in 12 days, while ‘B’ and ‘C’ together can complete the work in 8 ...
• ‘A’ and ‘B’ together can complete a work in 10 days, while ‘B’ and ‘C’ together can complete the work in 20...
• A’ and ‘B’ together can complete a work in 15 days while ‘A’ takes 20 days to complete the same work alone. If ‘C’ is 50% more efficient than...
• ‘X’ and ‘Y’ together can complete a work in 16 days, while ‘Y’ and ‘Z’ together can complete the work in 10 days. If ‘Y’ takes 20 days ...
• ‘X’ and ‘Y’ together can complete a work in 8 days, while ‘Y’ and ‘Z’ together can complete the work in 5 d...