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How many brothers does Kavita have? Statement I: Kavita's mother has three children. Statement II: Kavita has exactly one sister.

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

Step-by-Step Solution

Together, the three children are Kavita, one sister, and one more child who must be a brother, giving one brother. Neither statement alone fixes this.
Answer: A) Both statements together are needed (neither alone is sufficient)

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