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UKPSC Prelims 2012Paper-IIQ. 5 of 249
Q. 51 markMedium
UKPSC Prelims 2012·Paper-II
If the radius of a circle is doubled, its area increases by
(a)100%
(b)200%
(c)300%
(d)400%
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If the radius of a circle is doubled, its area increases by