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What is Rohan's present age? Statement I: Rohan's age five years ago was three times his son's age at that time. Statement II: Rohan's son's present age is 12 years.

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 a relation with two unknowns; II gives only the son's age. Together, five years ago the son was 7, so Rohan was 21 then and is 26 now.
Answer: A) Both statements together are needed (neither alone is sufficient)

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