Multiple Choice Questions on The diameter of a wheel that makes 452 revolutions to move 2 km and 26 decametre is equal to ........ for CDS Exam Preparation

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Multiple Choice Questions

The diameter of a wheel that makes 452 revolutions to move 2 km and 26 decametre is equal to ........

Quantitative Aptitude (CDS) Mensuration 2D
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    The diameter of a wheel that makes 452 revolutions to move 2 km and 26 decametre is equal to

    1\frac{9}{22}m

    Incorrect Answer

    1\frac{13}{22}m

    Correct Answer

    2\frac{5}{11}m

    Incorrect Answer

    2\frac{7}{11}m

    Incorrect Answer
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    Explanation:

    Distance moved by the wheel =2000+260=2260m
    Let the radius of the wheel be r m.
    ∴452×2πr=2260
    =>2r=\frac{2260\times7}{22\times452}=\frac{35}{22}=1\frac{13}{22}m
    Thus, the diameter of the wheel is
    1\frac{13}{22}m

    By: Munesh Kumari
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