Time and Work Questions & Answers

Q1 Amruta can do a piece of work in 20 days. Narendra is 25% more efficient than Amruta. The number of days taken by Narendra to do the same piece of work is:

Q2 A can finish a work in 24 days. B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in:

Q3 Pawan and Raghav can do a piece of work in 9 days and 12 days respectively. If they work for a day alternatively, Pawan beginning, in how many days, the work will be completed?

Q4 A can do a work in 12 days. B is 60% more efficient than A. In how many days will B complete the work?

Q5 A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

Q6 Suhan can do a work in 12 days and Simran can do the same in 36 days. With Rahul they can do the job in 8 days. So, Rahul can do the job in :

Q7 P is thrice as good a workman as Q and, therefore, is able to finish a job in 60 days less than Q. Working together, they can do it in :

Q8 P and Q can do a work in 18 days and 24 days respectively. They worked together for 8 days and then P left. The remaining work was finished by Q in

Q9 The number of days in which A and B together can finish a piece of work is 12 days less than the time taken by A alone and 27 days less than the time taken by B alone to finish the work. If A and B completed the work in 15 days with the help of C and got a total compensation of Rs 3000 for the work, then what is the share of C?

Q10 On a certain day, Ram works at 11/7th of his usual rate of doing work and finished the work 28 minutes earlier than the usual time required. Had Ram worked at 7/11th of his usual rate of doing work then the time taken by him to complete the work would have been how much more than the usual time required?