If five friends A, B, C, D, and E are sitting in a circle, and A is not next to

Practice Questions

Q1
If five friends A, B, C, D, and E are sitting in a circle, and A is not next to B, who can be seated next to A?
  1. C
  2. D
  3. B
  4. E

Questions & Step-by-Step Solutions

If five friends A, B, C, D, and E are sitting in a circle, and A is not next to B, who can be seated next to A?
  • Step 1: Understand that A cannot sit next to B.
  • Step 2: Visualize the circle with five friends: A, B, C, D, and E.
  • Step 3: Identify the positions around A. A has two sides: left and right.
  • Step 4: Since A cannot be next to B, B cannot occupy either side of A.
  • Step 5: This means that the only friends who can sit next to A are C, D, or E.
  • Step 6: Conclude that C, D, or E can be seated next to A.
  • Circular Arrangement – Understanding how to arrange individuals in a circle while adhering to specific constraints.
  • Exclusion Principle – Applying the rule that certain individuals cannot be adjacent to each other.
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