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    Question

    Sum of ages of 90 players is 1800 years. The average age

    of 40 of them is 16 years and the average age of another 30 of them is 14 years. Find the average age of the remaining players.
    A 35 years Correct Answer Incorrect Answer
    B 36 years Correct Answer Incorrect Answer
    C 37 years Correct Answer Incorrect Answer
    D 38 years Correct Answer Incorrect Answer

    Solution

    Given, sum of age of 90 players = 1800 years
    Sum of age of 40 players = 40 Γ— 16 = 640 years
    Sum of age of another 30 players = 30 Γ— 14 = 420 years
    Remaining number of players = 90 – 40 – 30 = 20
    Average age of remaining 20 players = {(1800 – 640 – 420)/20} = (740/20) = 37 years

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