Multiple Choice Questions on The average of six numbers is x and the average of three of these is y If the average of the remaini........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The average of six numbers is x and the average of three of these is y If the average of the remaini...........

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    The average of six numbers is x and the average of three of these is y. If the average of the remaining three is z, then :

    x = y + z

    Incorrect Answer

    2x = y + z

    Correct Answer

    3x = 2y - 2z

    Incorrect Answer

    none of these

    Incorrect Answer
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    Explanation:

    Clearly, we  have : x = (3y + 3z ) / 6 or 2x = y + z.

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