Banking Sample Paper SBI Clerk Grade (Main) Sample Test Paper-6

  • question_answer
    The average age of 24 boys in a class is 11. When the teacher's age is included, the average increases by one. What is the age of the teacher?

    A)  34 years

    B)  42 years

    C)  36 years

    D)  48 years

    E)  None of these

    Correct Answer: C

    Solution :

     24 boys +Teacher \[\equiv 12\times 25=300\] years 24 boys \[\equiv 24\times 11=264\,years\] \[\therefore \,\,\] Teacher's age \[=(300-264)\,years=36\,years\]


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