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Total No Of Questions: 30.
1) P can do a job in 10 days, Q can do it in 12 days and R can do it in 15 days. All begin together, but P leaves the work after 2 days and Q leaves 3 days before the work is completed. How long did the work last?

2) Pavan and Venu undertook a piece of work for Rs.600. Pavan alone can do the work in 24 days and Venu alone can do it in 12 days. What is the share of Venu?

3) After completing half of a work in 10 days P was joined by Q and they worked together for 3 days. P completed the remaining work in 4 days. In how many days Q alone can do the entire work?

4) A contractor agreed to complete a work in 120 days. He engaged 150 men for the work and after 70 days, only half of the work was completed. How many additional men must employ to complete the work in agreed time?

5) 8 men and 20 boys can construct a house in 5 days working for 6 hours a day. 5 men and 8 boys can construct two such houses in 16 days working for 7.5 hours a day. In how many days can 12 men and 6 boys construct 5 such houses working for 10 hours a day?

6) P and Q can do a piece of work in 12 days, Q and R in 15 days, R and P in 20 days. How long the work runs if they do it altogether.

7) Rajeev can do a work in 50 days, which Sanjay can do in 40 days. Rajeev started the work and was joined by Sanjay after 20 days. In how many days the total work is completed?

8) P and Q can do a piece of work in 12 days and 20 days respectively. They started together and then P left after for some days. If Q finishes the remaining work in 12 days, how many days has P worked on it before leaving?

9) If 4 labourer reap 40 acres in 30 days, how many acres will 18 labourer reap in 12 days?

10) P and Q can do a piece of work in 30 and 70 days respectively. They worked together for 10 days and then Q goes away. In how many days will P finish the remaining work?
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