Four friends (Alice, Bob, Carol, and Dave) are sitting in a row. Alice is not sitting next to Bob. Carol is to the immediate right of Dave. Dave is not sitting at either end of the row. Who is sitting at the left end of the row?A. AliceB. BobC. CarolD. Dave
Question
Four friends (Alice, Bob, Carol, and Dave) are sitting in a row. Alice is not sitting next to Bob. Carol is to the immediate right of Dave. Dave is not sitting at either end of the row. Who is sitting at the left end of the row?A. AliceB. BobC. CarolD. Dave
Solution
Given the conditions, let's try to figure out the seating arrangement:
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Dave is not sitting at either end of the row. So, Dave can only be in one of the two middle positions.
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Carol is to the immediate right of Dave. This means Dave must be sitting to the left of Carol. Since Dave can't be at the end, Carol also can't be at the leftmost position.
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Alice is not sitting next to Bob. If Bob were at the left end, Alice would have to sit next to him (because the only positions left for Alice would be the two end ones), which contradicts the given condition. So, Bob can't be at the left end.
Given these conditions, the only person left who can be at the left end of the row is Alice. So, the answer is A. Alice.
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