Probability related Questions by Balaji

  • 8August
  • 2014
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    BalajiSenior Member
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    08-08-2014, 11:44 PM Düzenlendi #5
    Ram selects 2 two digit no at random and mutiple them what is the chance that the product will end in zero



    a) 1/3



    b) 27/100



    c) 28/81



    d) 29/100





    answer choice b



    solution



    overall probability = (1539+648)/90*90

    =2187/8100

    =27/100




     

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    probability related question phase - 5 - by Balaji - 08-08-2014, 11:44 PM