JEE Main & Advanced Sample Paper JEE Main Sample Paper-43

  • question_answer
    Probability of product of a perfect square when two dice are thrown together

    A)  \[\frac{1}{9}\]                                   

    B)  \[\frac{2}{13}\]

    C)  \[\frac{2}{9}\]                                   

    D)  \[\frac{4}{9}\]

    Correct Answer: C

    Solution :

     Total outcomes = 36 Favorable outcomes \[v=\sqrt{2gh}=\sqrt{2\times 980\times 460}\,\,cm/s\] \[=\sqrt{920\times 980}\,cm/s\] \[=Q=q+q'\] \[\therefore \]    \[q'=(Q-q)\]

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