Time and Work Questions

Makarand works 2 times as fast as Samarjit. If Samarjit can complete a job alone in 27 days, then in how many days can they together finish the job?

A can do a piece of work in 10 days and B can do it in 12 days. They work together for 3 days. Then B leaves and A alone continues. 2 days after that C joins and the work is completed in 2 days more. In how many days can C do it, if he works alone ?

A can do a work in 36 days and B in 12 days. If they work on it together for 3 days, then what fraction of work is left?

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

Mandeep works 3 times as fast as Sampat. If Sampat can complete a job alone in 60 days, then in how many days can they together finish the job?

A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is

Pradeep has done 1/4th of a job in 14 days, Saquib completes the rest of the job in 56 days. In how many days can they together complete the job?

24 men can repair a road in 50 days. If they are joined by 16 more men, then in how much time (in days) the road can be repaired?