Time and Work Questions

G is twice as fast as S in doing work. If G can do a work in 30 days less than S, how many days will they take to complete the work together?

P and Q can do a project in 6 and 12 days respectively. In how many days can they complete 25% of the project if they work together?

A labourer can do a job in 50 hours. After 5 hours he takes a break. What fraction of the job is yet to be done?

A can do a certain job in 12 days. B is 60% more efficient than A. Then B can do the same piece of work in

Prabhat has done 1/2 of a job in 12 days. Santosh completes the rest of the job in 6 days. In how many days can they together do the job?

S, T and U together can complete a work in 30 days. If the ratio of efficiency of S, T and U is 20 : 15 : 12 respectively, then in how many days U alone can complete the same work?

A is thrice as productive as C. Together they can complete a job in 22.5 days. If B joins them after they have worked for 15 days then in how many days can they finish the rest of the job if B alone can do the job in 15 days?

Ram and Hari can cut 12 kgs nuts in 2 days. After 5 days, Hari left the work. Ram took 8 more days to cut the rest of the nuts. If total of 58 kgs of nuts were cut, the time taken by Hari to cut 10 kg of nuts is