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What is the straight-line distance between a well W and a tree T? Statement I: W is 9 m due west of a pole P. Statement II: T is 12 m due south of the pole P. Which statement(s) is/are sufficient to answer the question?

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

Step-by-Step Solution

Each statement places only one of W and T relative to P. Together, PW ⟂ PT, so WT = √ m. Both are needed.
Answer: B) Both statements together are needed (neither alone is sufficient)

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