SSC CHSL Model Paper 12

Question : 64 of 100

Marks: +1, -0

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
30 cm

Validate

Solution:

\Perimeter/\Breadth={2(l+b)}/b=5/1

Then,

2(l + b) = 5b

⇒

2l = 3b

Area of rectangle = 216 cm

^2

⇒

lb = 216

⇒

l×{2l}/3=216

⇒

I^2 = 324

⇒ Length = 18 cm

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