Original breadth of a rectangular box is 20 cm. The box was then remade in such a way that its length got increased by 30% but the breadth decreased by 20%. This led to an increase in area by 100sq.cm. What is the new area of the box?

Original breadth of a rectangular box is 20 cm. The box was then rema

1.	Original breadth of a rectangular box is 20 cm. The box was then remade in such a way that its length got increased by 30% but the breadth decreased by 20%. This led to an increase in area by 100sq.cm. What is the new area of the box?
A.	3600 sq.cm.
B.	3200 sq.cm.
C.	2600 sq.cm.
D.	2500 sq.cm.
Answer» D. 2500 sq.cm.

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Original breadth of a rectangular box is 20 cm. The box was then remade in such a way that its length got increased by 30% but the breadth decreased by 20%. This led to an increase in area by 100sq.cm. What is the new area of the box?

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