NIFT UG 2012 Question Paper with solutions

Question : 141 of 150

Marks: +1, -0

The area of a rectangle is 360 sq. cms. which is equal to 90% of the area of a square. What is the side of the square?

Solution:

According to the question,

360=\;\;{90}/{100}x^{2}

x^{2}=400

x=20

∴ Side of the square = 20 cm

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