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Among five friends A, B, C, D and E, who is the tallest? Statement I: A is taller than B and C but shorter than D. Statement II: D is taller than all the other four friends.

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

Step-by-Step Solution

From II, D is taller than everyone else, so D is the tallest - sufficient. From I, E's height is unknown, so the tallest cannot be fixed - not sufficient.
Answer: C) Statement II alone is sufficient but Statement I alone is not

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