Quantitative Aptitude Quiz For IBPS RRB PO, Clerk Prelims 2021- 24th June |

Table of Contents

Q1. Pipe A can fill a tank in ‘x’ hours. Ratio of efficiency of pipe A to pipe B in filling the tank is 5 : 7. Pipe A remained open for 5 hours and then pipe B is also opened. Both pipe were opened for 2 more hours so tanks is 70% filled. If pipe A is closed now then in what time pipe B will fill the remaining part of tank.
(a) 2 hours
(b) 2.5 hours
(c) 3.5 hours
(d) 3 hours
(e) 4 hours

Q2. If Priya and Monika working Separately can do a piece of work in 18 days and 30 days respectively. If they work in alternate days beginning with Priya, then the work will be completed in how many day?

Q3. The difference between S.I. and C.I. on a certain sum is Rs. 40 for two years. Also, the simple interest on the same sum at same rate of interest for two years is Rs. 200 Find the sum.
(a) Rs. 300
(b) Rs. 250
(c) Rs. 320
(d) Rs. 240
(e) Rs. 200

Q4. Ankur and Lalit invested Rs X and Rs (X+10,000) in a scheme which offers 20% pa at C.I. Total interest earned by both in two years is Rs 13200. Find Lalit’s initial investment?
(a) Rs. 10,000
(b) Rs. 15,000
(c) Rs. 20,000
(d) Rs. 25,000
(e) Rs. 30,000

Q5. Two pipes can fill a tank in 15 hours and 20 hours respectively, while the third pipes can empty it in 30 hours. If all the pipes are opened simultaneously, the empty tank will be filled in
(a) 10 hours
(b) 12hours
(c) 15 hours
(d) 15½ hours
(e) 20 hours

Q6. A is 40% more efficient than B. If B takes 6 days more than A to complete a work alone then in how many days ‘A’ alone can complete the whole work.
(a) 10 days
(b) 15 days
(c) 21 days
(d) 24 days
(e) 12 days

Q7. Siksha invested half of his money on 10% p.a. S.I. for 3 years and another half at 15% p.a. C.I for 3 years. If Siksha obtained Rs. 1440 more in C.I. than S.I. then find money invested by her in SI.
(a) Rs. 50,000
(b) Rs. 80,000
(c) Rs. 54,000
(d) Rs. 40,000
(e) Rs. 64,000

Q8. Two inlet pipes can fill a tank in 15 min and 20 min alone respectively. If these two pipes are opened with an outlet pipe, then the tank fills in 12 min then find in how much time outlet pipe can empty full tank.
(a) 24 min
(b) 30 min
(c) 25 min
(d) 20 min
(e) 36 min

Q9. A certain number of people were supposed to complete a work in 20 days. The work, however, took 28 days, since 8 people were absent throughout. How many people were supposed to be working originally?
(a) 32
(b) 27
(c) 36
(d) 30
(e) 28

Q10. P, Q and R can do some work in 36 days. P and Q together do twice as much work as R alone and P and R together can do thrice as much work as Q alone. Find the time taken by R to do the same work.
(a) 80 days
(b) 72 days
(c) 108 days
(d) 96 days
(e) 120 days

Q11. The simple interest on Rs. 4500 at a certain rate of interest for 4 years is Rs. 3600. Find the compound interest on the same sum at the same rate of interest in one year if compounded half yearly.
(a) Rs. 945
(b) Rs. 985
(c) Rs. 950
(d) Rs. 1045
(e) Rs. 845

Q12. Rahul is 25% more efficient than Ravi and Ravi is 20% less efficient than Rekha. If Rekha completes a job in 20 days, then in how many days Rahul will complete the same job?
(a) 25
(b) 24
(c) 30
(d) 20
(e) 28

Q13. On a sum Sima earn a interest of Rs. 1519 at S.I. in 7 years at 7% p.a. Find the sum.
(a) 3100 Rs.
(b) 3000 Rs.
(c) 2800 Rs.
(d) 3200 Rs.
(e) 3500 Rs.

Q14. 5 men can do a work in 16 days and 8 women can do the same work in 15 days. In how many days 2 man and 3 women can do the work together ?
(a) 22 days
(b) 20 days
(c) 21 days
(d) 18 days
(e) 24 days

Q15. 14 man can make 1000 cricket bats in 12 hours. After 8 hours of work, 2 more man joined them and starts working. How many more hours will it take to complete the production of 2000 cricket bats?
(a) 14
(b) 15
(c) 16
(d) 12
(e) 10

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