Eight students namely P, Q, R, S, T, U, V and W are sitting in a linear row to eat their food. They all face in the south direction and are sitting at equal distance from each other.
Two students sit between P and R. T sits immediately left of R. So, there are two cases possible i.e., Case 1 and Case 2.
Four students sit between S and Q, where S does not sit at any extreme end of the row. O sits immediately right of Q.
M sits third to the right of O. N sits at the extreme left end of the row. So, Case 1 will be invalid.
Finally, we get,
S, T is the odd pair out because except for this the rest all have one student sitting between them.
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