Dear Readers,
These include IBPS Clerk, SBI Clerk, SSC CGL, IBPS PO, SBI PO, CAT and other exams. ... This Questions based on Time and Work problems.
1. A can do a work in 6 days and B in 9 days. How many days will both take together to complete the work ?
(1) 7.5 days
(2) 5.4 days
(3) 3.6 days
(4) 3 days
2. A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work ?
(1) 24 days
(2) 18 days
(3) 16 days
(4) 20 days
3. A and B can do a piece of work in 36 days, B and C can do it in 60 days, A and C can do it in 45 days. C alone can do it in
(1) 90 days
(2) 180 days
(3) 120 days
(4) 150 days
4. A and B can di a job in 6 and 12 days respectively. They began the work together but A leaves after 3 days. Then the total number of days needed for the completion of the work is:
(1) 4 days
(2) 5 days
(3) 6 days
(4) 9 days
5. If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work ?
(1) 4 days
(2) 5 days
(3) 3 days
(4) 2 days
6. A man, a woman and a boy together finish a piece of work in 6 days. If a man and a woman can do the work in 10 day and 24 days respectively. The days taken by a boy to finish the work is
(1) 30
(2) 35
(3) 40
(4) 45
7. A does half as much work as B in three-fourth of the time. If together they take 18 days to complete a work, how much time shall B take to do it alone ?
(1) 30
(2) 35
(3) 40
(4) 45
8. A can do a work in 21 days. B is 40% more efficient than A. The number of days required for B to finish the same work alone is
(1) 10 days
(2) 12 days
(3) 15 days
(4) 18 days
9. 18 boys can do a piece of work in 24 days. In how many days can 27 boys do the same work ?
(1) 16 days
(2) 32 days
(3) 23 days
(4) 48 days
10. A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do the work in
(1) 15 days
(2) 20 days
(3) 25 days
(4) 30 days
6-3, 7- 1, 8-3, 9- 1, 10- 3
These include IBPS Clerk, SBI Clerk, SSC CGL, IBPS PO, SBI PO, CAT and other exams. ... This Questions based on Time and Work problems.
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| Time and Work |
1. A can do a work in 6 days and B in 9 days. How many days will both take together to complete the work ?
(1) 7.5 days
(2) 5.4 days
(3) 3.6 days
(4) 3 days
2. A alone can complete a work in 12 days. A and B together can complete it in 8 days. How long will B alone take to complete the work ?
(1) 24 days
(2) 18 days
(3) 16 days
(4) 20 days
3. A and B can do a piece of work in 36 days, B and C can do it in 60 days, A and C can do it in 45 days. C alone can do it in
(1) 90 days
(2) 180 days
(3) 120 days
(4) 150 days
4. A and B can di a job in 6 and 12 days respectively. They began the work together but A leaves after 3 days. Then the total number of days needed for the completion of the work is:
(1) 4 days
(2) 5 days
(3) 6 days
(4) 9 days
5. If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work ?
(1) 4 days
(2) 5 days
(3) 3 days
(4) 2 days
6. A man, a woman and a boy together finish a piece of work in 6 days. If a man and a woman can do the work in 10 day and 24 days respectively. The days taken by a boy to finish the work is
(1) 30
(2) 35
(3) 40
(4) 45
7. A does half as much work as B in three-fourth of the time. If together they take 18 days to complete a work, how much time shall B take to do it alone ?
(1) 30
(2) 35
(3) 40
(4) 45
8. A can do a work in 21 days. B is 40% more efficient than A. The number of days required for B to finish the same work alone is
(1) 10 days
(2) 12 days
(3) 15 days
(4) 18 days
9. 18 boys can do a piece of work in 24 days. In how many days can 27 boys do the same work ?
(1) 16 days
(2) 32 days
(3) 23 days
(4) 48 days
10. A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do the work in
(1) 15 days
(2) 20 days
(3) 25 days
(4) 30 days
Ans :-
1-3, 2-1, 3-2, 4-3, 5-3,6-3, 7- 1, 8-3, 9- 1, 10- 3
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