A gardener increased the rectangular garden by increasing its length by 40% and decreasing its width by 20%. The area of the new garden:

A. Has increased by 20%

B. Has increased by 12%

C. Has increased by 8%

D. Is exactly the same as the old area

Answer: Option B

Solution(By Examveda Team)

Let original area of the garden was 100 square unit.
Increase or decrease in area can be easily determined by this graphic:
100 == 40% up length ==> 140 == 20% down width ==> 112 (Final Area)
So, there is 12% increase in area of the garden.