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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 30

  • question_answer
    Let P(n) = n (n + 1) is an even number, then which of the following is true?

    A) P(3)                   

    B) P(100)

    C) P(50)                

    D) all of these

    Correct Answer: D

    Solution :

    [d]:\[P(n)=n(n+1)\] \[\therefore \]\[P(3)=3\times 4=12\](even) \[P(100)=100\times 101=10100\] (even) \[P(50)=50\times 51=2550\] (even) As P(3), P(100), P(50) are even numbers. Hence, option [d] is correct.


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