Time and Work - Quiz Based Important Previous Year Questions and Answers -

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Time and Work Quiz based Previous year Question – Part 1

Q. – 21 men can do the one part of work in 16 days, 10 women can do the same work in 26 days . 24 men started the work and after 7 days they were replaced by 13 women . So in how many days 13 women will complete remaining work?
(1) 20 days (2) 25 days (3) 10 days     (4) 15 days     (5) None of these

Q. A can do a piece of work in 24 days, B can do the same work in 16 days, and C can do the same job in 4/5th time required by both A and B. A and B work together for 6 days, then C completes the job. How many days did C work?
(1) 2(23/25) (2) 3(25/28) (3) 2(22/25)     (4) 20 days     5) None of these

Q. A and B together can complete a task in 20 days. B and C together can complete the same task in 30 days. A and C together can complete the same task in 40 days. What is the respective ratio of the number of days taken by A when completing the same task alone to the number of days taken by C when completing the same task alone ?
(1) 2 : 5 (2) 2 : 7 (3) 3 : 7 (4) 1 : 5 (5) 3 : 5
Q. A and B working together, can do a piece of work in 5(3/5) hours. B and C working together can do it in 3(8/9) hours. B working alone can do it in 14 hours. All of them begin the work at the same time but after 2 days B and C left the work. Find how much time A will take to finish the piece of work, if he works the remaining work with 20% more his actual efficiency?
(1) None of the options (2) 5 days (3) 3 days (4) 3(2/9) days (5) 2(1/9) days
Q. B is 20% more efficient than A. B started the work & do it for x days. And then B is replaced by A. A completed the remaining work in x+8 days. Ratio of work done by A & B is 3:2. In how many days A & B working together complete the whole work?
(1) 250/11 (2) 150/11 (3) 140/11 (4) 130/11
Q. A is twice efficient as B and together they do the same work in as much time as C and D together. If C and D can complete the work in 20 and 30 days respectively, working alone ,then in how many days A can complete the work individually?
(1) 16 days (2) 18 days (3) 20 days     (4) 10 days     (5) None of these

Time and Work Quiz based Previous year Question – Part 2

Q. 12 men can complete a piece of work in 36 days. 18 women can complete the same piece of work in 60 days. 8 men and 20 women work together for 20 days. If only women were to complete the remaining piece of work in 4 days, how many women would be required ?
(1) 70 (2) 28 (3) 66 (4) 40 (5) None of these
Q. 9 children can complete a piece of work in 360 days. 18 men can complete the same piece of work in 72 days and 12 women can complete the piece of work in 162 days. In how many days can 4 men, 12 women and 10 children together complete the piece of work ?
(1) 124 (2) 81 (3) 68 (4) 96 (5) None of these
Q. 8 men and 4 women together can complete a piece of work in 6 days. Work done by a man in one day is double the work done by a woman in one day. If 8 men and 4 women started working and after 2 days, 4 men left and 4 new women joined, in how many more days will the work be completed ?
(1) 5 days (2) 8 days (3) 6 days (4) 4 days (5) 9 days
Q. 14 men can do a work in 18 days ,15 women can do a work in 24 days. If 14 men work for first three days and 10 women work after that for three days find the part of work left after that?
(1) ¼ (2) 2/3 (3) ¾ (4) 1/3 (5) None of these
Q. 21 men can do the one part of work in 16 days, 10 women can do the same work in 26 days . 24 men started the work and after 7 days they were replaced by 13 women . So in how many days 13 women will complete remaining work?
(1) 20 days (2) 25 days (3) 10 days (4) 15 days (5) None of these
Q. A and B together can complete a task in 20 days. B and C together can complete the same task in 30 days. A and C together can complete the same task in 40 days. What is the respective ratio of the number of days taken by A when completing the same task alone to the number of days taken by C when completing the same task alone ?
(1) 2 : 5 (2) 2 : 7 (3) 3 : 7 (4) 1 : 5 (5) 3 : 5