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

    Question

    120 is divided into two parts in such a way that the

    sixth part of the first part and the seventh part of the second are in the ratio 5 : 6. How much percent second part is more than the first part?
    A 30% Correct Answer Incorrect Answer
    B 35% Correct Answer Incorrect Answer
    C 40% Correct Answer Incorrect Answer
    D 25% Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    First part = x and second part = 120 – x => (x/6)/((120-x)/7) = 5/6 => x/6× 7/(120-x) = 5/6 => 42x = 720 × 5 - 30x => 72x= 3600 => x = 50 Second part will be 120 – 50 = 70 Required percentage = [(70-50)/50]× 100 = 40%

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