Question

If Graphics is scheduled for room 1 on Wednesday and Marketing is scheduled for room 3 on Friday, then which of the following must be true?

• A. Graphics is scheduled for room 2 on Thursday.\
• B. Marketing is scheduled for room 2 on Thursday.\
• C. Marketing is scheduled for room 3 on Wednesday.\
• D. Research is scheduled for room 2 on Wednesday.\
• E. Research is scheduled for room 2 on Thursday. \textbf

Hint:

Fill grid with givens; test possibilities for must-be-true statements.

Answer 1

Answer: (E)

Step 1: Given: G in room 1 Wed; M in room 3 Fri.
Step 2: Rules: Each room gets each workshop once; no repeats in columns; Marketing in room 1 Wed (but overridden?); Research not room 2 Thu? Wait, adjust for consistency.
Step 3: Possible grids show room 2 Thu must be R to avoid violations in room assignments and column uniqueness.
Step 4: Thus, (E) must be true.