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  3. JEE Main & Advanced

JEE Main & Advanced JEE Main Paper Phase-I (Held on 07-1-2020 Evening)

  • question_answer
    If the mean and variance of eight numbers 3, 7, 9, 12, 13, 20, x and y be 10 and 25 respectively, then x.y is equal to __________.                                               [JEE MAIN Held on 07-01-2020 Evening]

    Answer:

    54


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