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SSC Sample Paper SSC CGL - Sample Paper-28

  • question_answer
    3 yr ago, the average age of a family of 5 members was 17 yr. A baby having been born, the average age of the family is the same today. The present age of the baby is

    A) 3 yr                  

    B) 2 yr

    C) \[1\frac{1}{2}yr\]                      

    D) 1 yr

    Correct Answer: B

    Solution :

    Total age of 5 members of a family 3 yr ago \[=17\times 5=85\,yr\] The total age of 5 members now\[=85+15\] \[=100\,yr\] The total age of 6 members now             \[=17\times 6=102\,yr\] \[\therefore \] Age of baby \[=102-100\]             \[=2\,yr\]


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