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What is the present age of the father? Statement I: The father is 25 years older than his son. Statement II: The father's present age is twice his son's present age, and the son is 30 years old.

Competition practiceData Sufficiency
  • ABoth statements together are needed (neither alone is sufficient)
  • BEither statement alone is sufficient
  • CStatement I alone is sufficient but Statement II alone is not
  • DStatement II alone is sufficient but Statement I alone is not

Step-by-Step Solution

I gives only the age difference and no absolute value. II gives father = years — sufficient.
Answer: D) Statement II alone is sufficient but Statement I alone is not

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