Five buses M, N, O, P, Q are in a front-to-back line on a road. M is at the front; Q is at the back. N stands between M and O; P stands between O and Q. Which bus is exactly in the middle?
Verbal Reasoning
Seating Arrangement
Difficulty: Easy
Choose an option
-
AM
-
BP
-
CN
-
DO
-
ENone of these
Answer
Correct Answer: O
Explanation
Introduction / Context:We are ordering five distinct buses in a single file with two “between” constraints, then identifying the middle (3rd) bus.
Given Data / Assumptions:
- M at position 1 (front), Q at position 5 (back).
- N between M and O ⇒ M < N < O.
- P between O and Q ⇒ O < P < Q.
Concept / Approach:Place O at position 3 to allow N before it and P after it while keeping M at 1 and Q at 5.
Step-by-Step Solution:Positions 1→5: M, N, O, P, Q.The middle bus is O.
Verification / Alternative check:All constraints are satisfied: N between M and O; P between O and Q.
Why Other Options Are Wrong:M/N/P are at positions 1/2/4, not the center; “None of these” is unnecessary.
Common Pitfalls:Placing O too far to an end, which makes one “between” clause impossible.
Final Answer:O