A rectangular garden is to be twice as long as its width If 360 m of fencing including gates will to...........

Quantitative Aptitude Mensuration 2D

A rectangular garden is to be twice as long as its width. If 360 m of fencing including gates will totally enclose this garden, what is the length of the garden?

This questions was previously asked in

EPFO APFC (2015)

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120 m

130 m

140 m

150 m

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Explanation:

Let the width of the rectangular garden be x So, its length will be 2x.

So, its perimeter will be = 2 (L+ W) = 2 (x+2x) = 6x That is given to be equal to 360 m.

Thus, 6x = 360 → x = 60m.

So, the length of the garden will be 2x = 120m.