In a linear arrangement of five people, if D is sitting next to E and F is sitti

Practice Questions

Q1
In a linear arrangement of five people, if D is sitting next to E and F is sitting at one end, which of the following must be true?
  1. D is at one end
  2. E is next to F
  3. F is not next to D
  4. D is not at one end

Questions & Step-by-Step Solutions

In a linear arrangement of five people, if D is sitting next to E and F is sitting at one end, which of the following must be true?
  • Step 1: Understand that there are five people in a line.
  • Step 2: Identify that F is sitting at one end of the line.
  • Step 3: Recognize that D is sitting next to E, meaning they must be adjacent to each other.
  • Step 4: Since F is at one end, D cannot be at that end because D needs to be next to E.
  • Step 5: Conclude that D must be somewhere in the middle of the line, not at either end.
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