Pipe and Tank

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--

  • filled in 32 minitues
  • emptied in 64 minutes
  • emptied in 32 minutes
  • filled in 64 minutes

সঠিক উত্তরঃ emptied in 64 minutes

বিস্তারিত

Which of the following fraction is the equivalent of 0.5%?

  • 1/20
  • 1/200
  • 1/2000
  • 1/5

সঠিক উত্তরঃ 1/200

বিস্তারিত

What is the thikness of a pipe that has an outer diameter of 2.5 inches and inner diameter of 2.1 inches?

  • 0.2 inches
  • 0.4 inches
  • 2.3 inches
  • 0.3 inches

সঠিক উত্তরঃ 0.2 inches

বিস্তারিত

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