Time and Work

Practice Questions for Time and Work.

#1

A and B together can do a job in 4 days.If A can do job in 12 days if he works alone ,then how many days B alone take to complete the job?

#2

A and B can do job in 8 days. B and C can do same job in 12 days.A,B and C together can do same job in 6 days.In how many days A and C together can complete the job?

#3

A is twice as efficient as B and can complete a job in 30 days before B.In how much they can complete the job together?

#4

A tank can be filled in 20 minutes.There is a leakage which can empty in 60 minutes.In how many minutes tank can be filled?

#5

A can do a certain work in the same time in which B and C together can do it.If A and B together could do it in 10 days and C alone in 50 days then B alone could do it in?

#6

A work twice as fast as B. I f B can complete a work in 12 days independently,the number of days in which A and B can together finish the work in?

#7

20 Women can do a work in 16 days.Sixteen men can complete the same work in 15 days.What is the ration between the capacity of a man and a woman?

#8

A and B together can complete a piece of work in 4 days.If A alone can complete the same work in 12 days,in how many days can B alone complete that work?

#9

A,Band C can do a piece of work in 36,54 and 72 days respectively.they started the work but A left 8 days before the completion of the work while B left 12 days before the completion.The number of days for which C worked is?

#10

Ten Women can complete a work in 7 days and 10 children take 14 days to complete the work.How many days will 5 women and 10 children take to complete the work?

#11

12 Men complete a work in 9 days.After they have worked for 6 days,6 more men joined them.How many days will they take to complete the remaining work?

#12

A,B and C together earn Rs.300 per day,while A and C together earn Rs.188 and B and C together earn Rs.152.the daily earning of C is?