When all the students in a school are made to stand in rows of 60, 35 such rows are formed. If the students are made to stand in rows of 25, how many such rows will be formed ?	Choose the correct choice.
A) 31
B) 84
C) 78
D) 19
E) 21
Explanation:   Total number of students = 60 x 35   When arranged in rows of 25, number of rows formed are,   = 84.   Answer: 84
<result>B</result>
When all the students in a school are made to stand in rows of 60, 35 such rows are formed. If the students are made to stand in rows of 25, how many such rows will be formed ?