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SSC Sample Paper Mock Test-18 SSC CGL Tear-II Paper-1

  • question_answer
    The radius of a circle is increased up to 3 times. How many times the circumference of the circle increased?

    A) 2

    B)  3

    C)  4

    D)  6

    Correct Answer: B

    Solution :

    Suppose, original radius = R metres then, original circumference \[=2\pi R\] Now, New radius = 3R then, New circumference\[=2\pi \times 3R=3\,\,(2\pi R)\] Hence, the increment in circumference is 3 times.


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