A) 25%
B) 55%
C) 44 %
D) 56.25%
Correct Answer: C
Solution :
(c): Let the side of a square is increased\[x%\]by, its area is increased by \[\left( 2x+\frac{{{x}^{2}}}{100} \right)\text{ }%\] Here, \[x=20%\] \[\therefore \]Effective increase in area\[=\left( 2\times 20+\frac{20\times 20}{100} \right)%=44%\]You need to login to perform this action.
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