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Find the area of square plot, If the cost of fencing the square plot at the rate of 2.3 rupee per meter is 156.4 rupee. 
1. 196 cm2
2. 256 cm2
3. 289 cm2
4. 225 cm2

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Correct Answer - Option 3 : 289 cm2

Given: 

The cost of fencing of the square plot is 156.4 rupees at the rate of 2.3 rupees per meter.  

Concept: 

Perimeter of square = 4 × side 

Area of square = (Side)2

Calculation: 

Here, the perimeter of the square plot is 

⇒ 156.4/2.3

⇒ 68 m

Now, The side of the square plot is

⇒ 68/4

⇒ 17 cm

The area of the square plot is 

⇒ (17)2

⇒ 289 cm2

∴ The required area of the square plot is 289 cm2.

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