A and B together can do a job in 12 days. B alone can finish it in 28 days. In how many days can A alone finish the work?

A can do ¾ of a work in 12 days. In how many days can he finish 1/8 of the work

A can finish a work in 18 days and B can do the same work in half the time taken by A. Then, working together, what part of the same work they can finish in a day?

A man is twice as fast as a woman. Together the man and the woman do the piece of work in 8 days. In how many days each will do the work if engaged alone?

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A along could have done in 23 days?

A contractor undertakes to built a walls in 50 days. He employs 50 peoples for the same. However after 25 days he finds that only 40% of the work is complete. How many more man need to be employed to complete the work in time?

12 men complete a work in 18 days. Six days after they had started working, 4 men joined them. How many days will all of them take to complete the remaining work?

A man, a woman or a boy can do a job in 20 days, 30 days or 60 days respectively. How many boys must assist 2 men and 8 women to do the work in 2 days?

10 men can complete a piece of work in 15 days and 15 women can complete the same work in 12 days. If all the 10 men and 15 women work together, in how many days will the work get completed?

After working for 8 days, Anil finds that only1/3 of the work has been done. He employs Rakesh who is 60% efficient as Anil. How many more days will Anil take to complete the job?