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In a row of children all facing north, what is the position of R from the left end? Statement I: R is 5th from the right end. Statement II: There are 12 children in the row. Which statement(s) is/are sufficient to answer the question?

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

I gives R's position from the right, II gives the total; neither alone fixes the left position. Together, R is 12 - 5 + 1 = 8th from the left.
Answer: A) Both statements together are needed (neither alone is sufficient)

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