hard · Gre Quant
If 5 people are to be seated in a row of 5 chairs, but two people, A and B, must not sit in the two end chairs, how many arrangements are possible?
- Exactly 36 different seating orderings exist.
- The total number of valid seatings is 72.
- There are 120 possible ways to seat them.
- A total of 48 unique arrangements is found.
- The set of valid seatings contains 24 items.
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