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    Question

    The average score of a bowler in a series of matches is

    28. His average increases by 2 when he takes 60 wickets in the next match. Find the total number of wickets taken before that match.
    A 420 Correct Answer Incorrect Answer
    B 400 Correct Answer Incorrect Answer
    C 440 Correct Answer Incorrect Answer
    D 430 Correct Answer Incorrect Answer

    Solution

    Let the number of matches before be 'P'.

    Wickets before = 28P

    (28P + 60) / (P + 1) = 30
    => 28P + 60 = 30P + 30
    => 2P = 30 => P = 15

    Total wickets = 28 × 15 = 420

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