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What is the present age of the father? Statement I: The father is 30 years older than his son. Statement II: Five years ago the father's age was four times the son's age, and the son is now 15.

Competition practiceData Sufficiency
  • ABoth statements together are needed (neither 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
  • DEither statement alone is sufficient

Step-by-Step Solution

From II the son is 15, so 5 years ago he was 10 and the father was 40, making the father 45 now; I gives only a difference.
Answer: B) Statement II alone is sufficient but Statement I alone is not

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