If 16% of 40% of a number is 6, then the number is  Pick:
A) 200 B) 225 C) 93.75 D) 320 E) none of these

Rationale: explanation : let 16 / 100 × 40 / 100 × a = 6 a = 6 × 100 × 100 / 16 × 40 = 93.75 correct option : c
Answer: C