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# Quantitative Aptitude Quiz For SBI/IBPS PO Prelims 2021- 14th October

Q3. A pipe can fill a tank in 36 minutes & another pipe can fill it in 48 minutes, but a third Pipe can empty it in 18 minutes. The first two pipes are kept open for 16 minutes in the beginning then the third Pipe is also opened. In what time is the cistern emptied?
(a) 120 min
(b) 80 min
(c) 96 min
(d) 112 min
(e) 144 min

Q8. Two pipes P and Q alone can fill a tank in 24 min and 30 min respectively and a pipe R alone can empty the tank by throwing out 8 gallons in 2 minutes. All the three pipes working together can fill the tank in 20 minutes. Find the capacity of the tank?
(a) 80 gallons
(b) 160 gallons
(c) 320 gallons
(d) 240 gallons
(e) None of these

Q9. Efficiency of B is 40% more than efficiency of A and efficiency of C is 150% of efficiency of B. B alone can complete 40% of work in 6 days. Then, find in how many days 60% of the same work will be completed by A & C working together, if A is working with 5% more efficiency.
(a) 4 days
(b) 6 days
(c) 5 days
(d) 3 days
(e) 7 days

Q10. There are four pipes connected to a tank – A, B, C and D. A & D are inlet pipes and B & C are outlet pipes. When all four pipes are opened together, then the tank will be filled in 40 minutes. When B & D are opened together, then the tank will be filled in 60 minutes. If D is twice as efficient than C and A is 25% more efficient than C, then find in how much time the tank will be filled when A & C are opened together?
(a) 120 minutes
(b) 100 minutes
(c) 90 minutes
(d) 70 minutes
(e) None of the above.

Q11. Efficiency of Anurag is two times more than efficiency of Ayush. Both Anurag & Ayush start working alternatively, starting with Anurag and they complete the work in total 37 days. If Shivam alone complete the same work in 50 days, then find in how many days Ayush and Shivam together will complete the work?
(a) 24 days
(b) 30 days
(c) 36 days
(d) 48 days
(e) 18 days

Q12. A & B can do a piece of work together in 24 days and C’s efficiency is half of A’s efficiency. If all three work together, they can complete the same work in 20 days, then find how many days are required to complete the work, if B and C work together?
(a) 45 days
(b) 42 days
(c) 30 days
(d) 48 days
(e) 44 days

Solutions