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?  Choose the correct choice from the following answers
A) 15  B) 20  C) 25  D) 30  E) 35

Rationale: "16 * 30 = 32 * n n = 15 the answer is a ."
Answer: A