Of the square fields the area of the one is 1 hectare, while the another one is broader by 1% the difference is area is?

• A. 201 sq. metres
• B. 101 sq. metres
• C. 200 sq. metres
• D. 100 sq. metres

Answer: (A)

Area of the square field = 1 hectare = 10000 m2Side of the square = ? 10000 m = 100 mSide of another square field = 100 + 1 = 101 m? Required difference of area = [(101)2 - (100)2] m2=[(101 + 100 ) (101 - 100) ] m2= 201 m2