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If the length of a rectangular field is increased by 20% and the breadth is reduced by 20%, the area of the rectangle will be 192 m2. What is the area of the original rectangle ?

(a) 184 m2
(b) 196 m2
(c) 198 m2
(d) 200 m2

Answer:(d) 200 m2

Let the length and breadth of the original rectangle be L m and B m respectively.

After increasing the length by 20% and decreasing breadth by 20% area is 192

(1.2 L) X (0.8 B) = 192

or 0.96 LB = 192

LB = 200

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