3 men and 7 women can do a job in 5 days, while 4 men and 6 women can do it in 4 days. The number of days required for a…

If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complet…

P can complete $$\frac{1}{4}$$ of a work in 10 days, Q can complete 40% of the same work in 145 days. R, complete $$\fr…

A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could ha…

A tank can be filled with water by two pipes A and B together in 36 minutes. If the pipe B was stopped after 30 minutes,…

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…

A can do a piece of work in 12 days while B alone can do it in 15 days. With the help of C they can finish it in 5 days.…

A started a ,work and left after working for 2 days. Then B was called and he finished the work in 9 days. had A left th…