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Original breadth of a rectangular box is...

Original breadth of a rectangular box is 20cm. The box was then remade in such a way that its length increased by 30% but the breadth decreased by 20% and the area increased by 100 `cm^2`. What is the new area of the box?
एक आयताकार डिब्बे की वास्तविक चौड़ाई 20 सेमी है | इस डिब्बे का पुनर्निर्माण इस प्रकार किया गया कि इसकी लंबाई 30% बढ़ा दी गयी लेकिन चौड़ाई में 20% की कमी कर दी गयी तथा क्षेत्रफल 100 वर्ग सेमी से बढ़ गया | इस डिब्बे का नया क्षेत्रफल क्या है?

A

`2500 cm^2`

B

`2200 cm^2`

C

`2400 cm^2`

D

`2600 cm^2`

Text Solution

Verified by Experts

The correct Answer is:
D
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