Time and Work for RRB PO & RRB CLERK: Quiz 7

Time and Work for RRB PO & RRB CLERK : Quiz -7

Time and Work Questions deals with the time taken by an individual or a gathering of people to finish a piece of work and the efficiency of the work done by every one of them. Time and Work is a significant topic in the Quantitative Aptitude section of different competitive examinations. A stronghold on this topic will surely help you to ace the exam. So, we are providing you Time and Work Quiz to enhance your preparation. This Time and Work Quiz will help you understand more and more concepts in Time and Work. If you get confused in any question, then for that we are also giving you detailed solutions to all the questions.

1. One man and six women working together can do a job in 10 days. The same job is done by two men in ‘p’ days and by eight women in p + 5 days. By what percentage is the efficiency of a man greater than that of a woman?
(a) 300%
(b) 500%
(c) 600%
(d) 700%
(e) None of these

Answer & Explanation

2. Kareena can do a piece of work in 9 days and Karishma can do the same work in 18 days. They started the work. After 3 days Shahid joined them, who can complete alone the same whole work in 3 days. What is the total number of days in which they had completed the work?
(a) 4
(b) 5
(c) 6
(d) 8
(e) None of these

Answer & Explanation

3. A can do a piece of work in 10 days. B can do it in 24 days. If C also works with them then it takes only 6 days to complete the whole work. In how many days C alone can complete the whole work?
(a) 25
(b) 40
(c) 50
(d) 75
(e) None of these

Answer & Explanation

4. A and B can do a piece of work in 25 days and 30 days respectively. They start the work together but after some days. A leaves the job. B alone does the remaining work in 8 days. Find after how many days does A leave the job?
(a) 12 days
(b) 8 days
(c) 10 days
(d) 16 days
(e) None of these

Answer & Explanation

5. A can complete 1/4 of a work in 10 days, B can complete 40% of the work in 15 days, C completes 1/3 of the work in 13 days and D 1/6 of work in 7 days. Who will be able to complete work fastest?
(a) A
(b) B
(c) C
(d) D
(e) Can’t be determined

Answer & Explanation

6. A can do a job in 3 days less time than B. A works at it alone for 4 days and then B takes over and completes it. If altogether 14 days were required to finish the job, then in how many days would each of them take alone to finish it?
(a) 17 days, 20 days
(b) 12 days, 15 days
(c) 13 days, 16 days
(d) 13 days, 15 days
(e) None of these

Answer & Explanation

7. A and B together can complete a job in 8 days. B and C, working alone can finish work in 12 days . A and B work for 4 days then A leaves, B continues for 2 more days and then he leaves too. C now start working and finish the job. How many days did C require to complete the remaining work?
(a) 5 days
(b) 6 days
(c) 3 days
(d) 4 days
(e) none of these

Answer & Explanation

8. A can complete a work in 20 days and B can complete the same work in 16 days. C’s work efficiency is 100/3 % of the work efficiency of A and B together. In how many day A, B and C can complete the work if they work alternatively starting from A.
(a) 94/5days
(b) 18 days
(c) 14 days
(d) 99/5days
(e) 10/5days

Answer & Explanation

9. P can do a task in 45 days, Q is 50% more efficient than P and R can do the same work in 7.5 days less than Q. If P and Q start task together, after X day they left the task and R completed the remaining task in (X + 9) day if Ratio between task done by (P + Q) together to task done by R alone is 1 : 2. Then find the value of X ?
(a) 4.5 days
(b) 7 days
(c) 6 days
(d) 5 days
(e) 4 days

Answer & Explanation

10. Arun and Veer together can complete a work in 15 days. Veer and Abhi together complete the same work in 12 days. If Arun started to work and worked for first 8 days alone and next 12 days Veer worked alone and the remaining work is completed by Abhi in 6 days. Then in how many days Veer alone will compete the whole work ?
(a) 70 days
(b) 40 days
(c) 60 days
(d) 64 days
(e) 55 days

Answer & Explanation

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