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    Question

    Average age of company A is 25 years and average age of both companies A and B is 17 years. If the ratio of number of employees in company A and B is 3:8, then what is the average age of company B?

    A 10 years Correct Answer Incorrect Answer
    B 11 years Correct Answer Incorrect Answer
    C 8 years Correct Answer Incorrect Answer
    D 12 years Correct Answer Incorrect Answer
    E 14 years Correct Answer Incorrect Answer

    Solution

    Average of Company B = (17 × 11 - 3 × 25)/8   => (187 - 75)/8 = 14 years

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