A) 60%
B) 50%
C) 40%
D) 32%
Correct Answer: D
Solution :
(d): New effect on area of rectangle \[=\left( 20+10+\frac{20\times 10}{100} \right)%=32%\] \[\left[ \therefore \text{Net}\,\text{ }\!\!%\!\!\text{ }\,\text{change}=\frac{a+b+ab}{100} \right]%\]You need to login to perform this action.
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