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?  Pick: A) 10 B) 20 C) 25 D) 36 E) 40
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?