Time and Work Questions

P can complete a work in 15 days and Q in 24 days. They began the work together, but Q left the work 2 days before its completion. In how manydays, was the work completed?

B would have taken 10 hours more than what A would have taken to complete a task if each of them worked alone. Working together they can complete the task in 12 hours. How many hours would B take to do 50% of the task?

3 men or 4 women can complete a job in 120 days. 12 men and 16 women will complete the same job in how many days?

Chutki can bake 30 cakes in 15 hours. Chutki and Badki together can bake 90 cakes in 30 hours. How many cakes Badki can bake in 10 hours?

Murad can do a piece of work in 33 hours. If he is joined by Joel who is 100% more efficient, in what time will they together finish the work?

Painter A can paint a house in 40 days and Painter B can do it in 60 days. With help of C, they did the job in 20 days only. Then, C alone can do the job in

P can do a work in 10 days. Q can do the same work in 15 days. If they work together for 5 days, how much of the work will they complete?

A can do a work in 15 days and B in 9 days. If they work on it together for 5 days, then what fraction of work is left?