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10th Class Mathematics Areas Related to Circles Question Bank MCQs - Areas Related to Circles

  • question_answer
    If \[\pi \] is taken as \[\frac{22}{7},\] the distance (in metres) covered by a wheel of diameter \[\text{35 cm},\] in one revolution, is: (C8SE 2013)

    A) \[2.2\]

    B) \[1.1\]

    C) \[\text{9}.\text{625}\]

    D) \[\text{96}.\text{25}\]

    Correct Answer: B

    Solution :

    [b] Distance covered by a wheel in one revolution 
    \[=2\pi r=2\times \frac{22}{7}\times \frac{35}{2}=110\,cm=1.1\,m\]


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