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JEE Main & Advanced JEE Main Paper Phase-I Held on 07-1-2020 Morning

  • question_answer
    If the variance of the first n natural numbers is 10 and the variance of the first m even natural numbers is 16, then m + n is equal to ____.                                                                [JEE MAIN Held on 07-01-2020 Morning]

    Answer:

    18


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