The length and the breadth of rectangular field are in the ratio of 8 7 If charges of the painting t...........

Quantitative Aptitude ( CCS) Mensuration 2D

The length and the breadth of rectangular field are in the ratio of 8 : 7. If charges of the painting the boundary of rectangle is at Rs. 10 per meter is Rs. 3000. What is the area of rectangular plot?

5600 sq.m

1400 sq. m

4400 sq.m

3600 sq.m

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Explanation:

Perimeter of the rectangle is given by 3000/10 = 300 mts
But we know,
The Perimeter of the rectangle = 2(l + b)
Now,
2(8x + 7x) = 300
30x = 300
x = 10
Required, Area of rectangle = 8x x 7x = 56 x 100 = 5600 sq. mts.