Solution
Let radius = 10 cm
=> Area of circle = $$\pi (10)^2 = 100 \pi$$ sq. cm
If radius is increased by 16%, => New radius = 11.6 cm
New area = $$\pi (11.6)^2 = 134.56 \pi$$ sq. cm
=> % increase in area = $$\frac{134.56 - 100}{100} \times 100$$
= 34.56%
=> Ans - (A)
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