3 - fourth of two - third of 3 - seventh of a number is 27 . what is 10 % of that number ?  Choose the correct choice from the following: A) 12.6 % B) 6.3 % C) 27 % D) 25.2 % E) none of these

Rationale: explanation : solution : assume the number be x . then , 3 / 4 of 2 / 3 of 3 / 7 of x = 27 . x = 27 * 7 / 3 * 3 / 2 * 4 / 3 . x = 126 . ' . 10 % of 126 = 10 / 100 * 126 = 12.6 answer : a
Answer: A