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    Question

    The average age of 10 men is increased by 2 years when

    two of them whose age are 24 and 26 years replaced by two new men. The average age of the two new men is.
    A 70 years Correct Answer Incorrect Answer
    B 72 years Correct Answer Incorrect Answer
    C 36 years Correct Answer Incorrect Answer
    D 48 years Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the sum of age of 10 men = 10x And the age of two new men = y years According to the question 10x - 24 -26 + y = 10(x+2) 10x - 50 + y = 10x + 20 y = 70 Average age of New men = y/2 = 70/2 = 35 years

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