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What is the two-digit number N? Statement I: N is a multiple of 7 lying between 45 and 55. Statement II: N is an odd number greater than 40.

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

Step-by-Step Solution

The only multiple of 7 between 45 and 55 is 49, so I fixes N uniquely; II leaves many odd numbers above 40.
Answer: A) Statement I alone is sufficient but Statement II alone is not

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