Arithmetic Ability
Area

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Q.

The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?

View Answer

Correct choice: B

Explanation:

2(l+b)b=51 => 2l + 2b = 5b => 3b = 2l b=(2/3)l Then, Area = 216 cm2 => l x b = 216 => l x (2/3)l =216 l = 18 cm.
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