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Five people P, Q, R, S and T are standing in a queue. Who is standing at the front of the queue? Statement I: P is standing ahead of all the others. Statement II: Q is standing somewhere behind R and ahead of S.

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

Step-by-Step Solution

I places P ahead of everyone, so P is at the front — sufficient. II gives only a partial order and does not fix who is at the front.
Answer: B) Statement I alone is sufficient but Statement II alone is not

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