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

  • question_answer
    There were 24 students in a class. One of them, who was 18 yr old, left the class and his place was filled up by a newcomer. If the average of the class there by was lowered by one month, the age of the newcomer is

    A) 14 yr

    B)  15 yr  

    C)  16 yr   

    D)  17 yr

    Correct Answer: C

    Solution :

    Total age decreased \[=24\times 1=24\]months = 2 yr \[\therefore \] Age of newcomer?s \[=18-2=16\]yr


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