In a queue if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made to stand in a column, how many columns could be formed?  Choose the correct choice from the following answers
A) 10  B) 20  C) 30  D) 40  E) 50
Sol. Required number = 16 *^30 = 20   20
<result>B</result>
In a queue if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made to stand in a column, how many columns could be formed?