If both length and width of rectangular plot a garden are increased by 20%, how many percent of the area of the plot would be increased?

A 20%
B 24%
C 36%
D None of these

Correct Answer: None of these

শর্ট টেকনিক ব্যবহার করে পাই - Net effect = 20 + 20 + <math xmlns = "http://www.w3.org/1998/Math/MathML"><mfrac><mrow><mn>20</mn><mo>&#xD7;</mo><mn>20</mn></mrow><mn>100</mn></mfrac></math> = 44%অর্থাৎ Plot - এর area 44% বৃদ্ধি পাবে।
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