Time and Work Questions

P, Q and R together can make a table in 40 minutes. P and Q together can make it in 60 minutes. How much time (in minutes) will R alone take to make the table?

Meghnad can do a piece of work in 45 hours. If he is joined by Jayshri, who is 50% more efficient, in what time will they together finish the work?

A can do a work in 36 days and B in 12 days. If they work on it together, then in how many days will they be able to do the work?

A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

A new topic named Problem Solving was also introduced and it was decided that 10% time of all topics except Arithmetic will be devoted to it. What will be the central angle (in degrees) made by Problem Solving in the new pie chart?

X can finish 25% of a work in a day. Y can do 12.5% of the same work in a day. In how many days, will both of them finish the work together?

The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio: