The 200 students in a group are to be seated in rows so that there is an equal number of students in each row. Each of the following could be the number of rows EXCEPT
Choose the correct choice from the following.
A) 4
B) 20
C) 50
D) 40
E) 90
Obviously the number of rows must be a factor of 200. The only option which is not a factor of 200 is E (90).   Answer: 90.
<result>E</result>
The 200 students in a group are to be seated in rows so that there is an equal number of students in each row. Each of the following could be the number of rows EXCEPT