Multiple Choice Questions on A batsman makes a score of 87 in the 17th inning and thus increases his average by 3 What is his ave........... for SSC CGL Exam Preparation

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Multiple Choice Questions

A batsman makes a score of 87 in the 17th inning and thus increases his average by 3 What is his ave...........

Quantitative Aptitude (CGL) Average
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    A batsman makes a score of 87 in the 17th inning and thus increases his average by 3. What is his average after the 17th inning?

    39

    Correct Answer

    55

    Incorrect Answer

    75

    Incorrect Answer

    45

    Incorrect Answer
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    Explanation:

    Runs in 17th innings=T + n.t
    T= previous average(average till 16th innings)
    t= increase in average(=3)
    n = total innings i.e 17.
    So
    87=T + 3×17
    T= 36
    So till 16 innings the average was 36.
    After 17 innings the average becomes 36+3= 39.

    By: MIRZA SADDAM HUSSAIN
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