A) 54%
B) 56%
C) 50%
D) 52%
Correct Answer: B
Solution :
Area of rectangle, \[A=20\text{ }m\times 15\text{ }m=300\,{{m}^{2}}\]. increased area, \[A'=\left( 20+\frac{20}{100}\times 20 \right)\,\left( 15+\frac{30}{100}\times 15 \right)\] =24x19.5-468m2. % increase in area \[=\frac{468-300}{300}\times 100=56%\]You need to login to perform this action.
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