New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Average run scored by a batsman in first ‘x’ matches

    is 50. In next 16 matches he scored runs with an average of 70 so that his overall average increased by 8. Find the value of x.
    A 22 Correct Answer Incorrect Answer
    B 28 Correct Answer Incorrect Answer
    C 24 Correct Answer Incorrect Answer
    D 32 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    (50x + 16 × 70)/(x + 16) = 58  => 50x + 1120 = 58x + 928 => 8x = 192 => x = 24

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