Time and Work Questions for IBPS RRB Prelims Exam: 21st July 2018

Numerical Ability or Quantitative Aptitude Section has given heebie-jeebies to the aspirants when they appear for a banking examination. As the level of every other section is only getting complex and convoluted, there is no doubt that this section, too, makes your blood run cold. The questions asked in this section are calculative and very time-consuming. But once dealt with proper strategy, speed, and accuracy, this section can get you the maximum marks in the examination. Following is the Quantitative Aptitude quiz to help you practice with the best of latest pattern questions.

Q1. A and B can complete a work in 12 days together, B and C can complete the same work in 15 days together and A and C can complete that work in 20 days together. In how many days A can complete the same work alone?
(a) 30 days
(b) 40 days
(c) 25 days
(d) 50 days
(e) 55 days


Q2. 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) 48
(b) 24
(c) 36
(d) 30
(e) 32


Q3. A man swimming in a stream which flows 1.5 kmph finds that in a given time he can swim twice as far with the sream as he can against it. At what rate does he swim?
(a)3.5 kmph
(b)4 kmph
(c)4.5 kmph
(d)5 kmph
(e)8 kmph


Q4. ‘A’ alone can complete a piece of work in 8 days. Work done by B alone in one day is half of the work done by A alone in one day. In how many days can the work be completed, if A and B work together?
(a) 19/3
(b) 17/3
(c) 16/3
(d) 20/3
(e) None of these

Q5. Three horses A, B and C start running around a circular fence and complete a single round in 24, 36 and 30 seconds respectively. After how many minutes will they meet again at the starting point? 
(a) 12
(b) 6
(c) 8
(d) 15
(e) 18


Q6. Three persons A, B and C can do a job in 12 days, 18 days and 24 days respectively. They started working together and after working 4 days A and C leave the Job. Find in how many days B will complete the remaining job? 
(a) 6 days
(b) 5 days
(c) 7 days
(d) 8 days
(e) 10 days


Q7. A train-A passes a stationary train B and a pole in 18 sec and 6 sec respectively. If the speed of train A is 54 kmph what will be the length of train B? 
(a) 190 m
(b) 160 m
(c) 180 m
(d) 210 m
(e) 250 m


Q8. Two persons P and Q can do a job in 24 days together. P can do the same job in 60 days alone. In what time Q can complete the same job alone?
(a) 50 days
(b) 40 days
(c) 45 days
(d) 65 days
(e) 60 days


Q9. Two persons P and Q can complete a Job in 26 days and 39 days respectively. In what time they will finish the work if they started working together?
(a) 18.6 days
(b) 15.6 days
(c) 12.6 days
(d) 13 days
(e) 17 days


Q10. Ram can do a job in 12 days alone and Shyam can do the same job in 15 days alone. A third person Ravi whose efficiency is two-third of efficiency of both Ram and Shyam together, can do the same job in how many days alone? 
(a) 12 days
(b) 10 days
(c) 8 days
(d) 16 days
(e) 20 days


Directions (Q.11-15): What should come in place of question mark (?) in the following questions?
Q11. 12 × 5 + 55 – 45 = ? + 30
(a) 25
(b) 35
(c) 30
(d) 40
(e) 50

Q14. 26260 + 52240 = ? + 65310
(a) 12190
(b) 14590
(c) 13190
(d) 13390
(e) 15190


Q15. 55% of 300 + ? % of 250 = 390
(a) 80
(b) 85
(c) 95
(d) 90
(e) 75

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