11.

A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?

A. 5
B.
 5 1 2
C.

6

D.

8

12.

4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?

 A. 35 B. 40 C. 45 D. 50

13.

A and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the work?

 A. 40 B. 50 C. 54 D. 60

14.

P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?

A.
 5 5 11
B.
 5 6 1 1
C.
 6 5 1 1
D.
 6 6 1 1

15.

10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?

 A. 3 B. 5 C. 7 D. तय नहीं किया जा सकता