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Pipe and Tank

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Question: A tank is 30% full with water. If 18 liters of water is added the tank become 3/4 full. What is the capacity of the tank?

  1. a.
    36
  2. b.
    40
  3. c.
    45
  4. d.
    56
  5. e.
    None of these
Answer: b

Question: Two identical tapes fill 2/5 of a tank in 20 minutes. When one of the taps goes dry in how many minutes will the remaining one tap fill the rest of the tank?

  1. a.
    5 minutes
  2. b.
    10 minutes
  3. c.
    60 minutes
  4. d.
    20 minutes
  5. e.
    None of these
Answer: c

Question: It takes 7/4 minutes to fill a water jar. What part of the jar would be filled in 1 minute?

  1. a.
    4/7
  2. b.
    3/4
  3. c.
    2/7
  4. d.
    3/7
  5. e.
    9/4
Answer: a

Question: If a pipe fills a tank in h hours what part of the tank does it fill in 2 hours?

  1. a.
    2/h
  2. b.
    h/2
  3. c.
    2h
  4. d.
    (1 - 2)/hg
  5. e.
    None of these
Answer: a

Question: A water tank is 5/8th full. When 100 gallons of water is used the tank is half full. What is the capacity of the water tank?

  1. a.
    800
  2. b.
    1600
  3. c.
    2000
  4. d.
    500
  5. e.
    1000
Answer: a

Question: A cistern can be filled in 10 hours but it takes 12 hours due to a leak in its bottom. If the cistern is full, then the time that the leak will take to empty it is:

  1. a.
    60 min
  2. b.
    80 h
  3. c.
    90 h
  4. d.
    60 h
  5. e.
    70 h
Answer: d

Question: Two pipe A & B can fill a tank in 15 minutes and 20 minutes respectively. If both pipes are opend together, then after how much time B should be closed so that the tank is full in 10 minutes?

  1. a.
    20/3
  2. b.
    8
  3. c.
    4
  4. d.
    6
  5. e.
    22/3
Answer: a

Question: A pipe can fill a tank in 64 minutes and another can empty it in 32 minutes. If the tank is already half full and both pipe opened together, the tank will be--

  1. a.
    filled in 32 minitues
  2. b.
    emptied in 64 minutes
  3. c.
    emptied in 32 minutes
  4. d.
    filled in 64 minutes
  5. e.
    None of these
Answer: b

Question: A pump can fill a tank with water in 2 hours. Because of a leak, it took 7/3 hours to fill the tank. The leak can drain all water of the tank in:

  1. a.
    13/3 hrs
  2. b.
    7 hrs
  3. c.
    8 hrs
  4. d.
    14 hrs
Answer: d

Question: Two tanks are filled to capacity with automobile fuel. The first tank holds 600 gallons more than the second tank. If 100 gallons were to pupmped from each tank, the first tank would then contain 3 times as much fuel as the second tank. What is the total number of gallons of fuel in the two full tanks?

  1. a.
    1000
  2. b.
    900
  3. c.
    1200
  4. d.
    1400
  5. e.
    1350
Answer: d

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