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SSC Sample Paper Mock Test-11 SSC CGL Tear-II Paper-1

  • question_answer
    Out of seven given numbers, the average of the first four numbers is 4 and that of the last four numbers is also 4. If the average of all the seven numbers is 3, fourth number is

    A) 3

    B)  4      

    C)  7

    D)  11

    Correct Answer: D

    Solution :

    Fourth number \[=(4\times 4+4\times 4-3\times 7)\] \[=(16+16-21)=11\]


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