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Question

Logical Reasoning Question on Seating Arrangement

In a queue I am the last person while my friend is seventh from the front. If the person exactly between me and my friend is on the 23rd position from the front, what is my position in the queue ?

A

37

B

36

C

38

D

39

Answer

39

Explanation

Solution

The correct option is (D): 39
Explaination: To determine your position in the queue, we can analyze the information given:
You are the last person in the queue.
Your friend is seventh from the front.
The person exactly between you and your friend is at the 23rd position from the front.
Let’s denote your position as xx and the total number of people in the queue as n.n.
Since you are the last person, your position x=n.x=n. Your friend is in the 7th position, so there are 6 people in front of him.
The person between you and your friend is in the 23rd position. The average of your positions (your position and your friend's) is equal to the position of the person between you and your friend:
Average=x+72=23\frac{x+7}{2}=23
x+7=46x+7=46
x=39x=39
**So, your position in the queue is 39. **