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A complete study circle (UPSC / IAS / MBA / CAT)

a. Prelims Paper (GS) Paper – 2

Identical balls to be placed in cells

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  • August 20, 2014 at 5:13 pm #3411
    Wonder Boy
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      cells

      Q. In how many ways different ways can 5 identical balls be placed in the cells shown above such that each row contains at least 1 ball ?

      a.) 64

      b.) 81

      c.) 84

      d.) 108

      Solve and give answer option with your solution below 🙂

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