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SSC Sample Paper SSC CHSL (10+2) Sample Test Paper-13

  • question_answer
    The arithmetic mean of 10 numbers was computed as\[7.6\]. It was later discovered that a number 8 was wrongly read as 3 during the computation. What should be the correct mean?

    A) \[7.1\]              

    B) \[7.6\]

    C) \[8.1\]  

    D) \[8.6\]

    Correct Answer: C

    Solution :

    Required mean \[=\frac{10\times 7.6-3+8}{10}\] \[=\frac{81}{10}=\]             


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