The length of a garden is thrice its breadth A playground measuring 180 sq m occupies 1 15th of the ...........

Quantitative Aptitude ( CCS) Mensuration 2D

The length of a garden is thrice its breadth. A playground measuring 180 sq. m occupies 1/15th of the total area of the garden. The length of the garden is

60 m

70 m

80 m

90 m

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Explanation:

Let L be the length and B is the breadth of the garden. We have L = 3B.
Total area of the garden = 180 x 15 = 2700 sq m. ⇒ LB = 2700
⇒ 3B² = 2700
⇒ B² = 900 ⇒ B = 30m
Hence the length of the garden = 30 × 3 = 90 m