Dear Students,
Quantitative Aptitude Questions for IBPS RRB PO and Clerk Exam 2017
Today we have included the Time and Work questions. You should try to do it within 16-17 Minutes. If you fail to complete it in stipulated time, then try again with full force.These Time and Work questions are very important from exam point of view like IBPS RRB Exam, IBPS PO and IBPS Clerk.
Q1. The work done by a woman in 8 hours is equal to the work done by a man in 6 hours and by a boy in 12 hours. If working 6 hours per day 9 men can complete a work in 6 days then in how many days can 12 men, 12 women and 12 boys together finish the same work working 8 hours per day?
(a) 4/3 days
(b) 11/3 days
(c) 3 days
(d) 3/2 days
(e) None of these
Q2. A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days. They all work at it for 6 days, and then A leaves, and B and C go on together for 4 days more. If B then leaves, how long will C take to complete the work?
(a) 20 days
(b) 25 days
(c) 10 days
(d) 15 days
(e) None of these
Q3. A can do a piece of work in 16 days, B in 10 days. A and B work at it together for 6 days and then C finishes it in 3 days, in how many days could C have done it alone?
(a) 40 days
(b) 80 days
(c) 90 days
(d) 120 days
(e) None of these
Q4. A takes half as long to do a piece of work as B takes, and if C does in the same time as A and B together, and if all three working together would take 7 days, how long would each take separately?
(a) 21 days, 42 days, 14 days
(b) 20 days, 40 days, 40/3 days
(c) 15 days, 45 days, 45/4 days
(d) None of these
(e) Can’t determine
Q5. Five men can do a piece of work in 2 hours, which 7 women could do in 3 hours, or 9 children in 4 hours. How long would 1 man, 1 woman and 1 child together take to do the work?
(a) 1260/221 hours
(b) 1270/231 hours
(c) 1221/260 hours
(d) None of these
(e) Can’t determine
Q6. B can do a piece of work in 6 hours, B and C can do it in 4 hours and A, B and C in 2 2/3 hours. In how many hours can A and B do it?
(a) 24/7hours
(b) 26/7hours
(c) 23/7hours
(d) None of these
(e) Can’t determine
Q7. To do a certain work B would take three times as long as A and C together and C twice as long as long as A and B together. The three men together complete the work in 10 days. How long would A,B and C take separately?
(a) 20 days, 40 days, 30 days
(b) 24 days, 40 days, 30 days
(c) 40 days, 30 days, 24 days
(d) 30 days, 24 days, 40 days
(e) None of these
Q8. If 30 men and 14 boys can reap a field in 21 days, in how many days will 20 men and 4 boys reap it, supposing that 3 men can do as much as 5 boys?
(a) 36 days
(b) 30 days
(c) 42 days
(d) 45 days
(e) None of these
Q9. A builder decided to build a farmhouse in 40 days. He employed 100 men in the beginning and 100 more after 35 days and completed the construction in stipulated time. If he had not employed the additional men, how many days behind schedule would it have been finished?
(a) 10 days
(b) 5 days
(c) 45 days
(d) 30 days
(e) None of these
Q10. 38 men, working 6 hours a day can do a piece of work in 12 days. Find the number of days in which 57 men working 8 hrs. a day can do twice the work. Assume that 2 men of the first group do as much work in 1 hour as 3 men of the second group do in 3/2 hr.
(a) 27 days
(b) 25 days
(c) 20 days
(d) 15 days
(e) None of these
Q11. To complete a work, A and B take 30 days, B and C take 24 days, and C and A take 20 days. They all start together and work for 5 days after which B and C leave. How many days will A take to finish the remaining work?
(a) 11
(b) 28
(c) 33
(d) 18
(e) None of these
Q12. The wages of 10 men and 8 boys amount to Rs. 37. If 4 men together receive Re 1 more than 6 boys, what are the wages of each man and boy respectively?
(a) 2.5 and 1.5
(b) 11 and 9
(c) 3 and 4
(d) 6 and 5
(e) None of these
Q13. A can do a job in 20 days, B in 30 days and C in 60 days. If A is helped by B and C every 3rd day. How long will it take for them to complete the job?
(a) 12 days
(b) 4 days
(c) 15 days
(d) 18 days
(e) None of these
Q14. Saket and Prakash take 7.5 days working together. However, if Saket and Prakash work individually to complete the equal half amount of work, it takes them 20 days to complete the job. How long will Prakash alone take to do the job if Saket is more efficient than Prakash?
(a) 18 days
(b) 24 days
(c) 30 days
(d) 27 days
(e) None of these
Q15. Three factories are capable of manufacturing a particular part of the bike. Each of the two factories can produce 1,00,000 parts in 15 days. The third factory can produce them 30% faster. How many days (approx.) would it take to produce a million parts with all the three working simultaneously?
(a) 43
(b) 45
(c) 48
(d) 52
(e) None of these
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