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8th Class Mathematics Direct and Inverse Proportions Question Bank Direct and Inverse Proportions

  • question_answer
    A rope makes 260 rounds of a cylinder with base radius 20 cm. How many times can it go round a cylinder with base radius 26cm?

    A)  \[130\]                                

    B)  \[300\]

    C)  \[200\]                

    D)         \[150\]                

    Correct Answer: C

    Solution :

    The more the radius, the less the number of rounds.
    Radius (cm) Rounds
    20 260
    1 \[260\times 20\]
    26 \[\frac{260\times 20}{26}=200\]


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