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What is R's rank from the top of the class? Statement I: R is 15th from the bottom. Statement II: There are 40 students in the class and R is 26th from the bottom.

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

Step-by-Step Solution

Statement I gives no class total, so rank from top is unknown. Statement II gives 40 - 26 + 1 = 15th from the top, which is sufficient on its own.
Answer: D) Statement II alone is sufficient but Statement I alone is not

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