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Today's Thinking Skills Question
You arrive at the community center this afternoon and see the manager unlocking the door. The cleaner opens the center every day except Wednesdays and Fridays, when the center either remains closed or is opened by the manager. The manager is only present for board meetings and special seminars. Board meetings take place in the mornings and seminars in the afternoons. The manager always arrives twenty minutes early for both meetings and seminars, and ensures that meetings and seminars never occur on the same day. Which one of the following sentences must be correct?
A. Today is Friday.
B. There is a board meeting today.
C. There is a special seminar today.
D. The cleaner is unexpectedly away.
Answer:
C
Explanation:
You saw the manager unlocking the door in the afternoon. The manager only comes for board meetings (mornings) or seminars (afternoons), and cannot come for both on the same day. Since it is afternoon, the manager must be there for a special seminar.
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