If the diameters of a circle is increased by 100% . Its area is increa

1.	If the diameters of a circle is increased by 100% . Its area is increased by ?
A.	100%
B.	200%
C.	300%
D.	400%
Answer» D. 400%

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If the diameters of a circle is increased by 100% . Its area is increased by ?

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