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What is the present age of the mother? Statement I: The mother is 25 years older than her daughter. Statement II: The daughter will be 15 years old in 5 years. Which statement(s) is/are sufficient to answer?

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

Step-by-Step Solution

II gives the daughter's present age (10). I gives only the gap. Together the mother is 10 + 25 = 35, so both are needed.
Answer: D) Both statements together are needed (neither alone is sufficient)

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