Subject

    Quantitative Aptitude

    Topic

    Average

    The average age of 36 students in a group is 14 years. When teacher's age is included to it, the average increases by one. What is the teacher's age in years ?

    ক)
    35 years
    খ)
    45 years
    গ)
    51 years
    ঘ)
    54 years

    Explanation

    Age of the teacher = (37 ×\times 15 - 36 ×\times 14) years = 51 years.

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