How many numbers from 10 to 40 are exactly divisible by 3?	Choose the correct choice from the following answers
A) 13
B) 15
C) 16
D) 10
E) 18

Rationale: "12 , 15 , 18 , 21 , 24 , 27 , 30 , 33 , 36 , 39 . 10 numbers . 10 / 3 = 3 and 40 / 3 = 13 = = > 13 - 3 = 10 . therefore 10 digits d )"
Answer: D