1.
A can do a piece of work in 9 days. B is
50% more efficient than A. The number of days in which A can complete the work
is-
(A)
4.5 days
(B)
6 days
(C)
3 days
(D)
7 days
2.
P can do a piece of work in 10 days and
Q in 20 days. They started working together but 2 days before the completion of
the work P leaves. In how many days is the work completed?
(A)
8 days
(B)
9 days
(C)
8.5 days
(D)
7.5 days
3.
12 monkeys can eat 12 bananas in 12
seconds. In how many seconds can 4 monkeys eat 4 bananas?
(A)
3
(B)
4
(C)
12
(D)
16
4.
A can do 7/8 of a work in 28 days. B can
do 5/6 of the same work in 20 days. The number of days they will take to
complete if they do it together is-
(A)
15 3/7 days
(B)
17 3/5 days
(C)
14 5/7 days
(D)
13 5/7 days
5.
20 men can do a job in 18 days. They
started working together. After 3 days 5 more men joined them. In how many more
days is the work completed?
(A)
12
(B)
14
(C)
15
(D)
13
6.
16 men can complete a work in 15 days.
24 children can do the same work in 20 days. In how many days, will eight men
and eight children , complete the same work?
(A)
13 1/3 days
(B)
20 days
(C)
18 days
(D)
16 days
7.
If 8 men and 12 boys can complete a
piece of work in 12 days, in what time will 40 men and 45 boys complete another
piece of work three times as great, supposing 16 men can do as much work in 8
hours as 12 boys can do in 24 hours?
(A)
8 days
(B)
9 days
(C)
12 days
(D)
16 days
8.
Two pipes A and B can fill a tank in 15
hours and 20 hours respectively, while a third pipe C can empty the full tank
in 25 hours. All the three pipes are opened in the beginning. After 10 hours C
is closed. In how much time will the tank be full?
(A)
13 hours
(B)
12 hours
(C)
12.5 hours
(D)
15 hours
9.
75 men are employed to lay down a
railway line in 3 months. Due to election urgency, the work was rescheduled to
be completed in 18 days. How many more men should be employed to complete the
work in the scheduled time of 18 days?
(A)
300
(B)
325
(C)
350
(D)
375
Answers:
1. (B)
2. (A)
3. (C)
4. (D)
5. (A)
6. (B)
7. (A)
8. (B)
9. (A)
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