Wednesday, June 1, 2016

Time And Work Important Question For SBI PO/CL Set -3

1) A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:
a) 4 days
b) 6 days
c) 8 days
d) 12 days
e) None of these

2) A and B can complete a work in 15 days and 10 days respectively. They started doing the
work together but after 2 days B had to lea0ve and A alone completed the remaining work.
The whole work was completed in:
a) 8 days
b) 10 days
c) 12 days
d) 15 days
e) None of these

3) A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days
and C and A in 20 days. They all work together for 10 days when B and C leave. How many
days more will A take to finish the work?
a) 18 days
b) 24 days
c) 30 days
d) 36 days
e) None of these

4) A works twice as fast as B. If B can complete a work in 12 days independently, the number of
days in which A and B can together finish the work in:
a) 4 days
b) 6 days
c) 8 days
d) 18 days
e) None of these

5) Twenty women can do a work in sixteen days. Sixteen men can complete the same work in
fifteen days. What is the ration between the capacity of a man and a woman?
a) 3 : 4
b) 4 : 3
c) 5 : 3
d) Date inadequate
e) None of these

6) A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C
together can finish it in 6 days. A and C together will do it in:
a) 4 days
b) 6 days
c) 8 days
d) 12 days
e) None of these

7) A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are
forced to leave after 3 days. The remaining work was done by A in:
a) 5 days
b) 6 days
c) 10 days
d) 10
e) None of these

8) X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16
days. How long will they together take to complete the work?
a) 13
b) 15 days
c) 20 days
d) 26 days
e) None of these

9) A and B can do a job together in 7 days. A is 1 times as efficient as B. The same job can be
done by A alone in:
a) 9
b) 11 days
c) 12
d) 16
e) None of these

10) P is thrice as efficient as Q and is therefore able to finish a piece of work in 60 days less than
Q. Find the time in which P and Q can complete the work individually.
a) 90 days, 30 days
b) 60 days, 20 days
c) 65 days, 30 days
d) 85 days, 90 days
e) None of these