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    Question

    Average run scored by a batsman in first

    ‘x’ matches is 88. In next 10 matches he scored runs with an average of 100 so that his overall average increased by 4. Find the value of x.
    A 10 Correct Answer Incorrect Answer
    B 20 Correct Answer Incorrect Answer
    C 14 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    (88x + 10 × 100)/(x + 10) = 92
    => 88x + 1000 = 92x + 920
    => 4x = 80
    => x = 20

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