In a group of people, if 30 people were made to stand in each column, 16 columns could be formed. If 32 people were made to stand in a column, how many columns could be formed?  Select.
A) 15
B) 20
C) 25
D) 30
E) 35
16*30 = 32*n   n = 15   The answer is 15.
<result>A</result>
In a group of people, if 30 people were made to stand in each column, 16 columns could be formed. If 32 people were made to stand in a column, how many columns could be formed?