Question

In a queue of $10$ person, $A$ is standing on $7^{th}$ from front and $B$ is standing $6^{th}$ from back. $3$ persons entered the queue disruption the position of $A$ and $B$. Find the pair of numbers indicating minimum possible disruption in their position from the front ?

• A. $6,10$
• B. $6,9$
• C. $7,10$
• D. $7,9$

Answer 1

The correct option is D $7,9$

In a queue of $10$persons, $A$ is standing on $7^{th}$ from front and $B$ is standing $6^{th}$ from back the gap between $A$ and $B$ is only one then $3$ persons entered the queue disruption the position of $A$ and $B$

$\therefore$ pair of numbers indicating minimum possible disruption in their position from the front are $7,9$
Hence, option D is correct.