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