1.
A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work?
2.
A takes 16 hrs and B takes 20 hours to colour a 640 sqaurefeet wall. If both do this work together they get Rs 5760 as renumeration. How much will get B?
3.
A work can be completed by P and Q in 12 days, Q and R in 15 days, R and P in 20 days. In how many days P alone can finish the work?
4.
2 women and 5 men can together finish an embroidery work in 4 days, while 3 women and 6 men can finish it in 3 days. Find the time taken by 1 man alone to finish the work .
5.
A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days. C alone can do the work in:
6.
While working 7 hours a day, A alone can complete a piece of work in 6 days and B alone in 8 days. In what time would they complete it together, working 8 hours a day ?
7.
Dipesh, Moin and Prakash takes respectively 6 hrs, 10 hrs and 15 hrs to make 360 measure scale in a company manufacturing measure scale of steel. If all the three do this work together, they get Rs 720 as renumeration. Who will get highest renumeration?
8.
Raju takes 3 hrs to prepare 180 boxes of peda, but Sonu prepares same number of boxes in 6 hrs. How much time will be taken if they do this work combinedly
9.
A and B together can complete a piece of work in 72 days, B and C together can complete it in 120 days, and A and C together in 90 days. In what time can A alone complete the work?
10.
A can do a work in 6 days and B in 9 days. How many days will both take together to complete the work?
11.
A, B, and C can do a piece of work in 20, 25, and 30 days respectively. They began the work together but C leaves after 3 days. In how many days the whole work was completed?
12.
A and B together can do a piece of work in 10 days. A alone can do it in 30 days. The time in which B alone can do it is
13.
A can do a piece of work in 4 hours, B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it ?
14.
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 complete the work?
15.
If A and B together can complete a work in 18 days, A and C together in 12 days and B and C together in 9 days, then B alone can do the work in
