A rectangle having length 140 cm and width 40 cm. If the length of the rectangle is increased by thirty percent then how much percent the breadth should be decreased so as to maintain the same area.  Choices:	A) 17.64 %	B) 33.33 %	C) 40 %	D) 75 %	E) none of these

Rationale: explanation : solution : ( 30 / ( 140 + 30 ) * 100 ) % = 17.64 % answer : a
Answer: A