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Pipes And Cisterns MCQ Set 1

Showing question 1 to 5 of total 30 MCQs

MCQ Set: 1

Solve the question on your notebook and check it by clicking (Answer and Explanation) below question.

Question No: 1

Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long it will take to fill the tank ?

  1. 10 mins
  2. 12 mins
  3. 15 mins
  4. 20 mins

Question No: 2

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 ?

  1. 7 hours
  2. 7.1 hours
  3. 7.2 hours
  4. 7.3 hours

Question No: 3

A tap can fill a tank in 6 hours. After half the tank is filled then 3 more similar taps are opened. What will be total time taken to fill the tank completely.

  1. 2 hours 30 mins
  2. 2 hours 45 mins
  3. 3 hours 30 mins
  4. 3 hours 45 mins

Question No: 4

A water tank is two-fifth full. Pipe A can fill a tank in 10 minutes and pipe B can empty in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely ?

  1. 6 min to empty
  2. 7 min to full
  3. 6 min to full
  4. 7 min to empty

Question No: 5

Pipe A can fill a tank in 5 hours, pipe B in 10 hours and pipe C in 30 hours. If all the pipes are open, in how many hours will the tank be filled ?

  1. 2.5 hours
  2. 2 hours
  3. 3.5 hours
  4. 3 hours
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