If the given two numbers are respectively 8% and 16% of a third number, then what percentage is the first of the second ?
Choose the correct choice from the following:
A) 20 %	B) 25 %	C) 18 %	D) 50 %	E) none of these

Rationale: "here , l = 8 and m = 16 therefore , first number = l / m x 100 % of second number = 8 / 16 x 100 % of second number = 50 % of second number answer : d"
Answer: D