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Problem 3 - Entrance Test

Eight people (W, X, Y, Z, A, B, C, D) sit in two parallel rows of 4 persons each. W sits third to the right of X in row 2. B is adjacent to C in row 1. Who faces B?

Correct: D

Row 2: Place W and X such that W is third to the right of X. Row 1: B and C are adjacent. Only positions possible for B and C allow D (in row 2) to face B. Deduce via elimination and adjacency constraints.