question_answer

A is 7th from the left and B is 7th from the right in a row. There are 2 persons between them. How many minimum persons will be there in the row?

A)  11                               

B)  16

C)  10                               

D)  14

Correct Answer: C

Solution :

Short-cut: Minimum person = A's position (7) + B's position (7) - Between students \[(2)-2\] \[7+7-2-2=\underline{\mathbf{10}}\]