When 24 is divided by the positive integer n, the remainder is 4. Which of the following statements about n must be true?
I. n is even
II. n is a multiple of 5
III. n is a factor of 20
Choose the correct choice:	A) III only	B) I and II only	C) I and III only	D) II and III only	E) I, II, and III
m*n=20   put values of m   m=1 n=20   m=2 n=10   m=4 n=5   I. not true   II. true   III. true   D. correct
<result>D</result>
When 24 is divided by the positive integer n, the remainder is 4. Which of the following statements about n must be true?
I. n is even
II. n is a multiple of 5
III. n is a factor of 20