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    Question

    A bowler gives 15 runs per wicket. He gives 30 runs and

    takes 5 wickets in a last match after which his average becomes 13.5 runs per wicket. How many wickets had been taken by him till the last match? 
    A 35 Correct Answer Incorrect Answer
    B 25 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 30 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Bowling average = (total runs conceded)/(total wicket taken ) Let the total number of wickets be x Then, bowling average = 15 Runs conceded = 15 x  Now, (15 x + 30)/(x +  5)= 13.5   15x + 30 = 13.5 (x + 5) 15 x + 30 = 13.5 x + 67.5 1.5 x = 67.5 – 30 x = 37.5/1.5  = 25 

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