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 option.
A) 15
B) 20
C) 22
D) 26
E) 29
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?