How many even multiples of 25 are there between 249 and 501?
Choose the correct choice:
A) 5
B) 6
C) 9
D) 10
E) 11

Rationale: "250 = 10 * 25 500 = 20 * 25 the even multiples are 25 multiplied by 10 , 12 , 14 , 16 , 18 , and 20 for a total of 6 . the answer is b ."
Answer: B