Quantitative Aptitude Quiz for IBPS 2020 Mains Exams- 11th December

Q1. If efficiency of B increased by 33⅓% and A & B start work together, while at the same time C starts destroying the work. Find in how many days work will be completed?
(a) 36 days
(b) 48 days
(c) 32 days
(d) 28 days
(e) 30 days

Q2. If A worked for first x days, B & C worked for next (x + 2) days and remaining work complete by A in (x -9.5) days. Find what portion of work will be completed, if A & C work together for (X + 6) days?
(a) 53/72
(b) 49/72
(c) 47/72
(d) 58/72
(e) 55/72

Directions (3-4): Pipe A can fill a tank in 12 minutes and ratio of efficiency of pipe B to pipe C is 8 : 9. Pipe A and C together will fill 2 liters/minute more water in tank than that of pipe A and B together. Time taken by pipe B and C together to fill the same tank is 4(4/17) minutes.

Q4. If all three pipes are opened for 2 minutes to fill the tank each alternatively in the sequence of A then C and then B. Calculate water filled by pipe A is what % of water filled by Pipe C.
(a) 72.5%
(b) 75%
(c) 77.5%
(d) 80%
(e) 82.5%

Directions (5-6): A is twice efficient than B and B take 8 more days than C to complete a work. A took the contract to complete the same work in 6 days. 2 days later, he realized that he alone could only complete 60% work in given time period. So, he asked for help, B and C joined him for last 3 days and the work was completed on time.

Q5. Find the number of days taken by B and C to complete the same work.
(a) 7 days
(b) 7.5 days
(c) 12 days
(d) 16 days
(e) 8 days

 

Directions (7-8): X and Y working together on a work ‘S’ such that their total working efficiency decreases by 10% every day from the previous day and they completed the work in 5 days. Ratio of the efficiency of the X and Y is 4 : 5.

Q7. If Z can complete the same work in 9 days (with same efficiency) then find the efficiency of Z is what percent of that of efficiency of Y on first day?
(a) 78.12%
(b) 81.902%
(d) 104.02%
(d) 65.123%
(e) 102.56%

Q9. Rs.15000 invested in two schemes each. First scheme offers R% interest on C.I. and second scheme offer R% more of what he gets in first at S.I. If after 2-year difference between interests earned in both scheme is Rs. 600 then find the value of R.
(a) 24%
(b) 10%
(c) 15%
(d) 20%
(e) None of these

Q10. Ram spends Rs. 8000 for 4 years in scheme ‘A’ which offers R% p.a. at S.I. and Rs. 10,000 for 2 years in scheme ‘B’ which offers R% p.a. at C.I. He got same amount from both schemes. Find value of ‘R’.
I. 20%
II. 50%
III. 100%
(a) Either I or II
(b) Either I or III
(c) Either II or III
(d) Any one of I, II and III
(e) Only I

Q11. Work done by A, B, C and D is in arithmetic progression. C worked for 9 days and completed 30% work. A and B worked for 2 days and 3 days only. Find for how many days ‘D’ work to complete the remaining work if all four together can complete that work in 4 days.
(a) 12 days
(b) 10 days
(c) 8 days
(d) 6 days
(e) 4 days

Directions (12-13): Pipe A is 33 ⅓% more efficient than pipe B. Pipe C can empty the tank at rate 40 litre/hour.

Q12. Mohit opened pipe A and pipe B for 13/7 hours and the tank was filled upto10 liters less than 75% of its capacity. After that he also opened the pipe C and tank was filled in 1 hour. Find the time in which pipe C alone could empty the tank.
(a) 8 hours
(b) 9 hours
(c) 9.5 hours
(d) 8.5 hours
(e) Can’t be determined

Q13. When these pipes were connected to a different tank. Initially, pipe A and B were opened, till the tank was filled 10 liters more water than 75% capacity of tank. After that all the pipes were opened, and the remaining tank was filled in 1 hour. Find the capacity of tank. Given that pipe A will take 4 hours to fill the tank.
(a) 600 litres
(b) 160 litres
(c) 360 litres
(d) 180 litres
(e) can’t be determined

Q14. Interest earned by Ramesh on Rs 10000 for 2 years at R% p.a. simple interest is how much more/less than interest earned by him on Rs 8000 for 2 years at (R+10)% p.a. compounding annually. If Rs 2000 is invested at 2R% p.a. simple interest for a year, then it would fetch an interest of Rs 400.
(a) Rs 1220
(b) Rs 1000
(c) Rs 1520
(d) Rs 930
(e) Rs 1140

Q15. Aman invested Rs.18000 at 21% p.a. compounding annually for 1 year and Rs.15000 at 16% p.a. compounding semi-annually for 1 year. Bhanu invested Rs.P at 12% p.a. for 1 year. If interest received by both Bhanu and Aman is same, then find P.
(a) Rs.55,800
(b) Rs.52,300
(c) Rs.54,500
(d) Rs.51,700
(e) Rs.53,600

Practice More Questions of Quantitative Aptitude for Competitive Exams:

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