In a room, there are some chairs and some people. If on each chair, only one person is seated, then there is no chair for exactly one person. If on each chair, two persons sit, then there is one vacant chair. What is the number of chairs in the room?
3
Solving the given conditions mathematically, the correct number of chairs in the room is found to be 3.
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Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
_TUVTR_WU_UXVN_Y
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