KVPY Sample Paper KVPY Stream-SX Model Paper-21

  • question_answer
    The number of non negative integral solution of the equation, \[x+y+3z=33\] is:

    A) 120

    B) 135

    C) 210

    D) 520

    Correct Answer: C

    Solution :

    Consider cases when z = 0, 1, 2,....... 11
    \[\Rightarrow \]\[34+31+28+.....+1\,(12\,\,time)=\frac{12}{2}(1+34)=210\]

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