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Q:

The smallest number that is completely divisibly by 6, 8, 12 and 16 is

A) 48 B) 24
C) 64 D) 80
 
Answer & Explanation Answer: A) 48

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

Raghu's tanker can fill a cistern in 4 hours. After half the cistern is filled, three more similar tankers are opened. What is the total time taken to fillthe cistern completely?

A) 2h 30 min B) 2h
C) 3h D) 2h 40 min
 
Answer & Explanation Answer: A) 2h 30 min

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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:

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:

The functioning of a very old model pendulum clock was completely

A) Mechanical B) Mechanical and electrical
C) Electrical D) Battery operated
 
Answer & Explanation Answer: A) Mechanical

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Filed Under: Physics
Exam Prep: Bank Exams

Q:

Pramod can paint a wall red in 12 hours while Brajen can whitewash the wall completely in 16 hrs. If Pramod and Brajen work alternately for an hour each starting when the wall has just cement on it till when it is completely painted red, how many hours will it take to paint the entire wall red?

 

A) 89 B) 96
C) 48 D) 95
 
Answer & Explanation Answer: A) 89

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Filed Under: Time and Work
Exam Prep: Bank Exams

Q:

In the series 5442673314884743581,the number of 4s that are completely divisible by the number on their right but not divisible by the number on their left is

A) 3 B) 1
C) 0 D) 2
 
Answer & Explanation Answer: B) 1

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

Q:

Two pipes fill a tank when working individually in 25 and 40 hours, respectively while a third pipe can drain the filled tank in 16 hours. If all the three pipes are turned on at the same time when the tank is empty, how long will it take to fill the tank completely ?

A) 2 days 1 hour B) 16 days 16 hours
C) 1 day 7 hours D) 15 days 18 hours
 
Answer & Explanation Answer: B) 16 days 16 hours

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Filed Under: Pipes and Cistern
Exam Prep: Bank Exams