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Q:

Out of three pipes the first two can fill an empty tank in 9 and 18 hours, respectively while the third can drain the filled tank in 15 hours. If all the three pipes are opened when the tank is empty, after how many hours will the tank be full?

A) 11 B) 12
C) 10 D) 13
 
Answer & Explanation Answer: C) 10

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

Q:

Two pipes, when working one at a time can fill a cistern in 2 hrs and 3 hrs, respectively while a third pipe can drain the cistern empty in 6 hrs. All the three pipes were opened together when the cistern was 1/6 full. How long will it take for the cistern to be completely full?

A) 1 hour B) 1 hour 30 min
C) 1 hour 20 min D) 1 hour 15 min
 
Answer & Explanation Answer: D) 1 hour 15 min

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

Q:

Nord Stream 2 pipeline, which was making news recently, passes through which Sea?

 

A) Red Sea B) Caspian Sea
C) East China Sea D) Baltic Sea
 
Answer & Explanation Answer: D) Baltic Sea

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Filed Under: General Awareness
Exam Prep: Bank Exams

Q:

Two pipes P and Q can fill an empty tank in 25 hours and 20 hours respectively. Pipe R alone can empty the completely filled tank in 50 hours. Firstly both the pipes P and Q are opened and after 8 hours pipe R is also opened. What will be the total time (in hours) taken to completely fill the tank?

 

A) 12 B) 10
C) 14 D) 13
 
Answer & Explanation Answer: A) 12

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

Q:

Two pipes namely A,B can fill a sump in 25 minutes and half an hour respectively and a pipe C can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity off the tank is

A) 450 gallons B) 300 gallons
C) 240 gallons D) 600 gallons
 
Answer & Explanation Answer: A) 450 gallons

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

Q:

Pipes A, B and C are attached to an empty cistern. While the first two can fill the cistern in 4 and 10 hrs, respectively, the third can drain the cistern, when filled, in 6 hrs. If all the three pipes are opened simultaneously when the cistern is half-full, how many hours will be needed to fill the cistern?

A) 30/11 B) 60/11
C) 120/11 D) 90/11
 
Answer & Explanation Answer: A) 30/11

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

Q:

Two pipes X and Y can individually fill a tank in 48 and 72 min respectively. If they are opened simultaneously, how long will it take for the tank to fill? 

 

A) 39.4 min  B) 28.8 min 
C) 24 min  D) 60 min
 
Answer & Explanation Answer: B) 28.8 min 

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams

Q:

Pipe A can fill an empty cistern in 4 hours while along with Pipe B it can fill it up in 3 hours. Only Pipe A is turned on for an hour after which Pipe B is also turned on. How much total time will it take to fill up the cistern?

A) 3 hrs 20 min B) 3 hrs 25 min
C) 3 hrs 15 min D) 3 hrs
 
Answer & Explanation Answer: C) 3 hrs 15 min

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams