In a quality lab, five samples (V, W, X, Y, Z) are processed in order: V is processed before W; X is processed immediately after Y; Z is processed after W but before X. If V is processed first, which sample is fourth?
Answer and explanation
Correct answer: B. Sample Y
- Step 1: V is first and V is processed before W; Z comes after W but before X; X comes immediately after Y. Step 2. The order is therefore V, W, Z, Y, X. Step 3. The fourth sample is Y. Answer: Sample Y. Why not the others: Sample Z is third; Sample X is fifth; Sample W is second.
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