Q11
Q11 A and B can do a work in 12 days, B and C can do the same work in 15 days, and C and A can do the same work in 20 days. A, B and C will complete the work together in:
14 days
12 days
10 days
15 days
Q12
Q12 A can plough a farm in same time as B and C together can do it. If A and B together do the same in 20 days and C in 100 days then B could do it alone in:
50 days
25 days
75 days
65 days
Q13
Q13 A and B can finish a work in T days. If A and B alone can do this work in (T + 3) and (T + 12) days respectively, find the value of T.
3 days
6 days
12 days
Cannot be determined
Q14
Q14 Soni and Jyoti can do a work together in 14 days. Soni is 14/8 times efficient in comparison to Jyoti. The same job can be completed by Soni at which day?
55 days
22 days
44 days
33 days
Q15
Q15 A can complete a piece of work in 36 days, B in 54 days and C in 72 days. All the three began the work together but A left 8 days before the completion of the work and B 12 days before the completion of work. Only C worked up to the end. In how many days was the work completed?
24 days
25 days
27 days
30 days
