How many numbers from 10 to 47 are exactly divisible by 3?	Choose the correct option
A) 12	B) 15	C) 16	D) 17	E) 18

Rationale: "12 , 15 , 18 , 21 , 24 , 27 , 30 , 33 , 36 , 39 , 42 , 45 , . 12 numbers . 10 / 3 = 3 and 47 / 3 = 15 = = > 15 - 3 = 12 . therefore 12 digits a )"
Answer: A