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What is the value of the number N? Statement I: N is the smallest two-digit prime number. Statement II: N equals the number of days in two weeks minus three. Which statement is sufficient to answer?

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

The smallest two-digit prime is 11, and two weeks (14 days) minus 3 is also 11. Each statement alone gives N = 11.
Answer: B) Either statement alone is sufficient

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