A lawn is in the form of rectangle having its sides in the ratio 2 : 3. The area of the lawn is 600 m2. Find the breadth of the lawn. 

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  1. 50 m
  2. 20 m
  3. 40 m
  4. 10 m

Answer (Detailed Solution Below)

Option 2 : 20 m
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Detailed Solution

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Given:

Breadth : Length= 2 : 3

Area = 600 m2

Concept used:

Area of rectangle = Breadth × Length

Calculation:

Let, the common number = m

Area of rectangle = Breadth × Length

⇒ 2m × 3m = 600

⇒ 6m2 = 600

⇒ m2 = 100

⇒ m = 10

Breadth = 2m = 2 × 10 = 20 m.

∴ Breadth of the lawn is 20 m.

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