RRB Nsg. Superintendent-2026 (Shift -2nd)
Reasoning
Hard

Seven people H, I, J, K, O, P and Q are sitting around a circular table facing the center of the table. I sits third to the left of K. J sits second to the left of P. K is an immediate neighbour of both H and J. Q is not an immediate neighbor of I. How many people sit between O and J when counted from the right of O?

Appeared in: RRB Nsg. Superintendent-2026 (Shift -2nd)

Explanation

  • The final clockwise arrangement of the seven people is K, H, O, I, P, Q, J.
  • The question asks for the number of people between O and J when counting from the right of O.
  • For a person facing the center of a circular table, their 'right' is the anti-clockwise direction.
  • Counting anti-clockwise from O, we encounter H and then K before reaching J.
  • Therefore, there are exactly two people (H and K) between O and J.

Why Other Options Were Wrong

  • Option A: This is an incorrect count based on the final arrangement.
  • Option B: This would be the answer if the question asked for the count from the left of O (clockwise). The people between O and J in the clockwise direction are I, P, and Q.
  • Option D: This is an incorrect count. It might result from misinterpreting the positions or the direction of counting.

Related Visual

Visual explanation — Related Visual
  • Visual 1: Diagram: A circular table with 7 labeled positions showing the final seating arrangement of H, I, J, K, O, P, and Q. Arrows should indicate the clockwise (left) and anti-clockwise (right) directions to clarify the counting process.
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Logical Reasoning: Circular Seating Arrangement as background academic context rather than a clinical decision trigger.
  • This type of question assesses logical deduction and spatial reasoning, which are critical thinking skills.
  • These skills are tested in the non-nursing, general aptitude sections of many competitive nursing entrance examinations.
  • Mastering these puzzles helps improve problem-solving speed and accuracy under exam conditions.
How to Approach the Question
  • First, identify the number of entities (7 people) and the setup (circular table, facing center).
  • Establish the directional rule: facing center means Left = Clockwise and Right = Anti-clockwise.
  • Begin with the most concrete clue. 'K is an immediate neighbor of both H and J' fixes a block of three people (J-K-H).
  • Draw a circle with 7 slots. Place the initial block and then use relative position clues (e.g., 'third to the left') to place others.
  • Use elimination clues (e.g., 'Q is not an immediate neighbor of I') to resolve ambiguities.
  • Once the final arrangement is set, re-read the question carefully to determine the start point (O), end point (J), and direction of counting (right of O, i.e., anti-clockwise).
Concept Tested & Keywords
  • Concept Tested: Logical Reasoning: Circular Seating Arrangement
  • Stem keywords: Seven people, circular table, facing the center, seating arrangement
  • Lead-in keywords: How many people

Question ID

QsHwKwQldr414u1sH1zLm1

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Attempt every question from this paper in a timed mock, then review the full solution for each one.

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Seven people H, I, J, K, O, P and Q are sitting around a circular table facing the center of the table. I sit… - RRB Nsg. Superintendent-2026 (Shift -2nd) | NPrep