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SSC Sample Paper SSC CGL - Sample Paper-24

  • question_answer
    The average age of 30 students is 15 yr. If the teacher's age is also included then the average age increases by 1 yr. The age of the teacher is

    A) 56 yr                

    B) 46 yr

    C) 35 yr                

    D) 45 yr

    Correct Answer: B

    Solution :

    Total age of 30 students and teacher\[=16\times 31=496\,yr.\] \[\therefore \] Age of teacher \[=\text{(}496-450)=46\,yr.\]


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