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  3. 6th Class
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  5. Mensuration

6th Class Mental Ability Mensuration Question Bank Mensuration

  • question_answer
    Find the radius of a circle whose perimetre is 4.4 m.

    A) 70 cm    

    B)        60 cm

    C) 35 cm               

    D)        75 cm

    E) None of these

    Correct Answer: A

    Solution :

    Explanation Option [a] is correct. According to the question \[2\pi r=4.4m\Rightarrow 2\times \frac{22}{7}\times r=4.4m\] \[\Rightarrow r=\frac{4.4\times 7}{44}=0.7m\] Hence, the radius of the circle \[r=0.7m=70cm.\]          


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