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SSC Sample Paper Mock Test-8 SSC CGL Tear-II Paper-1

  • question_answer
    The average of 30 results is 20 and the average of other 20 results is 30. What is the average of all the results?

    A) 24

    B)  48

    C)  25

    D)  50

    Correct Answer: A

    Solution :

    Required average \[=\frac{20\times 30+20\times 30}{30+20}\] \[=\frac{600+600}{50}=\frac{1200}{50}=24\]


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