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(IGP) IAS Pre Paper - 2: GS - Basic Numeracy - Time & Work (MCQ -11)
Basic Numeracy
Time & Work (MCQ -11)
1. A and B together can do a piece
of work in 12 days, which B and C together can do in 16 days. After A has been
working at it for 5 days and B for 7 days, C finishes it in 13 days. In how many
days C alone will do the work?
(a) 16
(b) 24
(c) 37
(d) 48
2. A and B can do a
piece of work in 45 days and 40 days respectively. They began to do
the work together but A leaves after some days and then B completed
the remaining work in 23 days. The number of days after which A left
the work was:
(a) 11
(b) 7
(c) 9
(d) 12
3. A, B and C can
complete a work separately in 24, 36 and 48 days respectively. They
started together but C left after 4 days of start and A left 3 days
before the completion of the work. In how many days will the work be
completed?
(a) 15 days
(b) 24 days
(c) 25 days
(d) 38 days
4. A, B and C together earn Rs.300 per
day, while A and C together earn Rs.188 and B and C together earn
Rs.152. The daily earning of C is:
(a) Rs.40
(b) Rs.70
(c) Rs.112
(d) Rs.160
5. Kim can do a work in 3 days while
David can do the same work in 2 days. Both of them finish the work
together and get Rs.150. What is the share of Kim?
(a) Rs.40
(b) Rs.60
(c) Rs.70
(d) Rs.75
6. A alone can do a
piece of work in 6 days and B alone in 8 days. A and B undertook to
do it for Rs.3200. With the help of C, they completed the work in 3
days. How much is to be paid to C?
(a) Rs.450
(b) Rs.400
(c) Rs.600
(d) Rs.900
7. A can do a piece of
work in 10 days; B in 15 days. They work for 5 days. The rest of the
work was finished by C in 2 days. If they get Rs.1500 for the whole
work, the daily wages of B and C are:
(a) Rs.160
(b) Rs.225
(c) Rs.255
(d) Rs.350
8. A and B together can
complete a work in 12 days. A alone can complete it in 20 days. If B
does the work only for half a day daily, then in how many days A and
B together will complete the work?
(a) 13 days
(b) 16 days
(c) 15 days
(d) 22 days
9. 12 men can complete
a piece of work in 4 days, while 15 women can complete the same work
in 4 days. 6 men start working on the job and after working for 2
days, all of them stopped working. How many women should be put on
the job to complete the remaining work, if it is to be completed in
3 days?
(a) 15
(b) 19
(c) 23
(d) data inadequate
10. Twelve children take
sixteen days to complete a work which can be completed by eight
adults in twelve days. Sixteen adults started working and after
three days ten adults left and four children joined them. How many
days will they take to complete the remaining work?
(a) 3 days
(b) 5 days
(c) 6 days
(d) 9 days
11. 10 women can complete a work in 7
days and 10 children take 14 days to complete the work. How many
days will 5 women and 10 children take to complete the work?
(a) 5 days
(b) 8 days
(c) 7 days
(d) 4 days
12. Sixteen men can
complete a work in twelve days. Twenty-four children can complete
the same work in eighteen days. Twelve men and eight children
started working and after eight days three more children joined
them. How many days will they now take to complete the remaining
work?
(a) 5 days
(b) 4 days
(c) 10 days
(d) 9 days
13. Twenty-four men can
complete a work in sixteen days. Thirty-two women can complete the
same work in twenty-four days. Sixteen men and sixteen women started
working and worked for twelve days. How many more men are to be
added to complete the remaining work in 2 days?
(a) 18 men
(b) 24 men
(c) 36 men
(d) 50 men
14. 5 men and 2 boys working together
can do four times as much work as a man and a boy. Working
capacities of a woman and a boy are in the ratio:
(a) 1 : 2
(b) 2 : 1
(c) 1 : 3
(d) 6 : 7
15. If 12 men and 16 boys can do a piece
of work in 5 days; 13 men and 24 boys can do it in 4 days, then the
ratio of the daily work done by a man to that of a boy is:
(a) 2 : 1
(b) 3 : 1
(c) 3 : 2
(d) 6 : 7
16. 4 men and 6 women can complete a
work in 8 days, while 3 men and 7 women can complete it in 10 days.
In how many days will 10 women complete it?
(a) 55 days
(b) 40 days
(c) 45 days
(d) 60 days
17. A and B can do a piece of work in 12 days, B and
C can do a it in 15 days and C and A can do the same work in 20 days. Find the
number of days in which A alone can do the same job.
(a) 20 days
(b) 30 days
(c) 45 days
(d) 60 days
18. A and B together can
do a piece of work in 12 days which B and C together can do in 16
days, After A has been working at it for 5 days and B for 7 days, C
takes up and finishes it alone in 13 days. In how many days C alone
can do the work.
(a) 16 days
(b) 32 days
(c) 24 days
(d) 48 days
19. A and B together can complete a
piece of work in 35 days while A alone can complete the same work in
60 days. In how many days, B alone will be able to complete the same
work?
(a) 80 days
(b) 84 days
(c) 88 days
(d) 92 days
(a) 30 days
(b) 40 days
(c) 50 days
(d) 60 days
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