A) 10
B) 21
C) 42
D) 100
Correct Answer: B
Solution :
Required percentage increase in area \[=\left( 2x+\frac{{{x}^{2}}}{100} \right)%\] \[=\left( 2\times 10+\frac{10\times 10}{100} \right)%=21%\]You need to login to perform this action.
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