questionFromString.label: IBPS PO Mains 2017

If the sum of circumference of a circle and the circumference of a semicircle of same radius (R) is 400cm. Then find the radius of another circle whose radius is 200% more than R?

1:
75cm
2:
105cm
3:
63cm
4:
48cm
5:
42cm
solution.label:
chapterName.label: Mensuration

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IBPS PO Mains 2017

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