1) A tub can be filled in 20 minutes
but there is a leakage in it which can empty the full tub in 60

minutes. In how many minutes it can be
filled?

a) 10 minutes

b) 30 minutes

c) 40 minutes

d) 25 minutes

e) None of these

2) A can do a piece of work in 14 days
while B can do it in 21 days. In how many days, working

together they will complete the whole
work?

a) 10.5

b) 8

c) 8.4

d) 9

e) None of these

3) A is thrice as efficient as B.
Working together they complete the work in 3 days. If B takes 8

days more than A, what is the number of
days taken by A to finish the whole work, alone?

a) 4

b) 2

c) 12

d) 16

e) None of these

4) Aman can do a piece of work in 14
days, while Suneeta can do the same work in 21 days.

They started the work together but 3
days before the completion of the work, Aman left the

work. The total number of days to
complete the work is :

a) 7

b) 8.5

c) 5

d) 10

e) None of these

5) Karan can do a work in 10 days while
Sohan can do the same work in 20 days. They started

work together. After 3 days Karan left
the work and Sohan completed it. For how many days

Sohan worked alone more than the number
of days required when both worked together?

a)4

b) 3

c) 2

d) 3

e) None of these

6) A and B undertook a work for Rs.350.
A got Rs.150 more than that of B, when they worked

together. B takes 9 days more than A,
when they work individually. In how many days A and

B working together can do the whole
work:

a) 5

b) 4

c) 4

d) 5

e) None of these

7) When A, B and C are deployed for a
task, A and B together do 70% of the work and B and C

together do 50% of the work. Who is
most efficient?

a) a

b) b

c) c

d) Data inadequate

e) None of these

8) A contractor undertook a work to
complete in 60 days. But just after 20 days he observed that

only th of the project work had been
completed. To complete the work in time (i.e., in rest

days) minimum how many workers he had
to increase, if there were initially 75 workers were

deployed for the task?

a) 25

b) 50

c) 75

d) Data inadequate

e) None of these

9) If 2 men or 3 women or 4 boys can do
a piece of work in 52 days, then the same piece of

work will be done by 1 man, 1 woman and
1 boy in :

a) 48 days

b) 36 days

c) 45 days

d) Data inadequate

e) None of these

10) A contractor undertook to complete
the work in 40 days and he deployed 20 men for his

work. 8 days before the scheduled time
he realized that 1/3rd of the work was still to be done.

How many more men were required to
complete the work in stipulated time?

a) 16

b) 15

c) 20

d) 25

e) None of these