Multiple Choice Questions on A circular wire of diameter 84 cm is bent into a rectangle with sides ratio 6 5 What are the respect........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A circular wire of diameter 84 cm is bent into a rectangle with sides ratio 6 5 What are the respect...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    A circular wire of diameter 84 cm is bent into a rectangle with sides ratio 6 : 5. What are the respective sides of the rectangle?

    60 cm, 72 cm

    Incorrect Answer

    78 cm, 65 cm

    Incorrect Answer

    72 cm, 60 cm

    Correct Answer

    90 cm, 75 cm

    Incorrect Answer
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    Explanation:

    Length of wire = 2?r = 2(22/7)*42 = 264 cm
    Perimeter of rectangle = 2(6x+5x) = 264
    Solve, x = 12
    So dimensions – 12*6, 12*5
    = 72 cm, 60 cm

    By: Amit Kumar
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