Area - Arithmetic Aptitude Questions and Answers

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Discussion :: Area

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?

16 cm

18 cm

24 cm

Data inadequate

None of these

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Answer : Option B

Explanation :

$\frac { (l +b)} {b }$ = $\frac { 5 } { 1 }$

2l + 2b = 5b

3b = 2l

b = $\frac { 2 } { 3 }$

Then, Area = 216 cm²

l² = 324

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