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What is B's present age? Statement I: B is twice as old as A, and A is 12 years old. Statement II: Five years ago, B was 19 years old. Which statement(s) is/are sufficient?

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

Step-by-Step Solution

I gives . II gives . Each statement alone yields B's age.
Answer: D) Either statement alone is sufficient

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