Exams › IBPS PO › Reasoning

Six boxes are placed one above the other. How many boxes are placed below B? I. E is placed three boxes above D. B is placed just above F. One box is placed between D and C. II. Three boxes are placed between A and E. C is placed just below A. Two boxes are placed between C and F. B is placed above D.

1. Only I is sufficient
2. Both I and II together are sufficient
3. Either I or II is sufficient
4. Only II is sufficient

Correct answer: Only II is sufficient

Solution

Statement I does not uniquely determine the position of B, so the number of boxes below B cannot be found from it alone. Statement II gives a complete arrangement of all six boxes, allowing the position of B to be fixed and hence the number below it to be determined.

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