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Five books are placed one above another in a single stack. Which book is at the top? Statement I: Book C is immediately above Book D, which is above Book A. Statement II: Book B is at the bottom and Book E is immediately above Book C, with no book above E. Which statement(s) is/are sufficient to answer?

Competition practiceData Sufficiency
  • ABoth statements together are needed (neither alone is sufficient)
  • BStatement I alone is sufficient but Statement II alone is not
  • CStatement II alone is sufficient but Statement I alone is not
  • DEither statement alone is sufficient

Step-by-Step Solution

From II, no book is above E, so E is at the top. From I alone, the positions of B and E are unknown, so the top cannot be fixed.
Answer: C) Statement II alone is sufficient but Statement I alone is not

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