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In which direction is point A from point D? Statement I: A is 3 km north of B, and B is 4 km east of C. Statement II: C is 2 km north of D. Which statement(s) is/are sufficient to answer the question?

Competition practiceData Sufficiency
  • AEither statement 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
  • DBoth statements together are needed (neither alone is sufficient)

Step-by-Step Solution

Only together do the points link up: relative to D, A ends up 4 km east and 5 km north, i.e. to the north-east of D.
Answer: D) Both statements together are needed (neither alone is sufficient)

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