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Thread: Maths-TEST

  1. September 12th, 2002, 09:56 PM #1
    ranjitjat
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    Maths-TEST

    SUppose the average efficiency of a coal-fired power plant is 40 percent and that one tonne of coal contains 7000 kilowatt hours of energy.How much coal would it take to light one 100 watt lightbulb for a full year???????????
    Jay Jawan Jay Kisan Jay Shaheed
  2. September 13th, 2002, 06:59 PM #2
    srajdeep
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    312.86 tonne?
  3. September 13th, 2002, 10:34 PM #3
    ranjitjat
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    Please try again and answer in kgs
    This is matric tonne.
    good try
    Jay Jawan Jay Kisan Jay Shaheed
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