If two students are made to sit in a row, then 6 don't have seats. If 6 students are made to sit in a row, then three rows are empty. How many students have to sit a row such that each row has equal number of students and all students are seated?	Choose the correct choice: A) 0 B) 3 C) 4 D) 5 E) 9
Let there be a rows.   Then 2a + 6 = 6(a-3) [equating the number of students]   =&gt; a= 6   and total number of students = 18   Therefore 3 students much sit in each row such that each row has an equal number of students and all students are seated.   Option (3)
<result>B</result>
If two students are made to sit in a row, then 6 don't have seats. If 6 students are made to sit in a row, then three rows are empty. How many students have to sit a row such that each row has equal number of students and all students are seated?