Multiple Choice Questions on In seven given numbers the average of first four numbers is 4 and that of the last four numbers is a........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

In seven given numbers the average of first four numbers is 4 and that of the last four numbers is a...........

Quantitative Aptitude ( CCS) Average
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    In seven given numbers, the average of first four numbers is 4 and that of the last four numbers is also 4. If the average of these seven numbers is 3, the fourth number is:

    3

    Incorrect Answer

    4

    Incorrect Answer

    7

    Incorrect Answer

    11

    Correct Answer
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    Explanation:

    The required number can be found as follows:-
    4×4 + 4×4 -7×3 = 11

    By: Deepak Dawra
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