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SSC Sample Paper SSC CGL - Sample Paper-15

  • question_answer
    The average age of eleven players of a cricket team decreases by 2 months when two new players are included in the team replacing two players of ages 17 yr and 20 yr. The average age of new players is

    A) 17 yr 1 months  

    B) 17 yr 7 months

    C) 18 yr 11 months

    D) 18 yr 3 months

    Correct Answer: B

    Solution :

    Trick Average age of new players             \[=\left\{ (20+17)\times 11\times \frac{2}{12} \right\}\times \frac{1}{2}\]             \[=\frac{422}{12\times 2}=\frac{211}{11}\] \[\Rightarrow \] \[17\frac{7}{12}\] = 17 yr 7 months


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