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Question: How many students are there in a row? Statement I: Ravi is 12th from the left end of the row. Statement II: Ravi is 8th from the right end of the row. Which statement(s) is/are sufficient to answer the question?

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

Step-by-Step Solution

One position alone cannot give the total. Together, total = 12 + 8 - 1 = 19, so both are needed.
Answer: D) Both statements together are needed (neither alone is sufficient)

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