Question 163

If the length of the rectangular field is increased by 20% and the breadth is reduced by 20% the area of the rectangle will be 192 $$m^{2}$$. What is the area of the original rectangle?

Solution

Let the length and breadth be l and b.

New length and new breadth is 1.2 l and 0.8 b.

1.2*0.8 lb = 192

lb = 200

Original area = 200


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