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    Question

    The average of runs of a cricket player of 10 innings

    was 42. How many runs must he make in his next inning so as to increase his average of runs by 6?
    A 94 Correct Answer Incorrect Answer
    B 108 Correct Answer Incorrect Answer
    C 76 Correct Answer Incorrect Answer
    D 150 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the batsman make x runs. Total runs in 10 innings = 10 × 42 = 420 => (420 + x)/11 = 42 + 6 => 420 + x = 48 × 11 => x = 528 – 420 = 108

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