Quantitative Aptitude Quiz For SBI Clerk Prelims 2021- 11th May

Q2. If 3 men or 9 boys can finish a piece of work in 21 days. In how many days can 5 men and 6 boys can complete the same piece of work?
(a) 12 days
(b) 8 days
(c) 14 days
(d) 10 days
(e) 9 days

Q4. Pipe A and pipe B together can fill the tank in 12 minutes while pipe A, pipe B and pipe C together can fill the tank in 15 minutes and Pipe B and Pipe C together can fill the tank in 30 minutes. In how many time pipe A alone can fill the tank completely. (in minutes)
(a) 20
(b) 60
(c) 40
(d) 30
(e) 50

Q6. Ayush can do a work in 40 days and Rahul is 25% more efficient than Ayush. If Ayush started and worked for 15 days and left then in how many days will Rahul do the remaining work ?
(a) 16 days
(b) 20 days
(c) 28 days
(d) 24 days
(e) 12 days

Q7. A leak in the bottom of a tank can empty the full tank in 20 hrs. If both inlet pipe and leak is opened then the tank filled in 60 hrs. Find the capacity of tank if inlet pipe can fill at the rate of 4 ℓ per minute.
(a) 1800 ℓ
(b) 2400 ℓ
(c) 2700 ℓ
(d) 3600 ℓ
(e) 4500 ℓ

Q9. A, B and C completed a work costing Rs. 2400. A, B and C can complete the work alone in 12, 20 and 30 days respectively. If A, B and C together finish the work then how much amount will be received by B per day?
(a) Rs. 210
(b) Rs. 180
(c) Rs. 90
(d) Rs. 120
(e) Rs. 150

Q10. A tank can be filled with water by two pipes A and B together in 36 minutes. If the pipe B was stopped after 30 minutes, rest of the tank filled in 10 minutes. The pipe B can alone fill the tank in
(a) 45 minutes
(b) 60 minutes
(c) 75 minutes
(d) 90 minutes
(e) None of these

Q14. A and B can finish a piece of work in 6 and 8 days respectively. If A and B work on alternate days, how much time will it take to complete the work if B start the work?
(a) 6 days
(b) 5 days
(c) 7 days
(d) 4 days
(e) 8 days

Q15. A cistern can be filled by a tap in 4 hours while it can be emptied by another tap in 9 hours. If both the taps are opened simultaneously, then after how much time cistern will get filled?
(a) 7hrs
(b) 7.1 hrs
(c) 7.4 hrs
(d) 7.5 hrs
(e) 7.2 hrs

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