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What is the present age of the mother? Statement I: The mother's age is 4 times her daughter's age, and the daughter is 9 years old. Statement II: The mother was 27 when the daughter was born, and the daughter is now 9.

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

Step-by-Step Solution

I gives ; II gives 27 + 9 = 36, so each statement alone yields the mother's age of 36.
Answer: A) Either statement alone is sufficient

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