Two numbers are less than third number by 25% and 37% respectively. How much percent is the second number less than by the first	Choices
A) 6 %	B) 8 %	C) 9 %	D) 11 %	E) 12 %

Rationale: let the third number is x . then first number = ( 100 - 25 ) % of x = 75 % of x = 75 x / 100 second number is ( 63 x / 100 ) difference = 75 x / 100 - 63 x / 100 = 3 x / 25 so required percentage is , difference is what percent of first number ( 3 x / 25 * 100 / 75 x * 100 ) % = 6 % answer : a
Answer: A