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What is Ravi's present age? Statement I: Five years ago, Ravi was three times as old as his son. Statement II: Ravi's son is 15 years old now. Which statement(s) are sufficient to answer?

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 one equation with two unknowns; II gives only the son's age. Together: Ravi = 5 + 3(15-5) = 35, so both are needed.
Answer: B) Both statements together are needed (neither alone is sufficient)

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