If k is a positive integer. Is k a prime number??
1) No integers between "2" and "square root of k" inclusive divides k evenly
2) No integers between 2 and k/2 divides k evenly, and k is greater than 5. 
  • a)
    Exactly one of the statements can answer the question
  • b)
    Both statements are required to answer the question
  • c)
    Each statement can answer the question individually
  • d)
    More information is required as the information provided is insufficient to answer the question
Correct answer is option 'C'. Can you explain this answer?

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Answers

SAVI MISHRA
Feb 01, 2020
Statement 1:
Property of a prime number: k is a prime number if no integer between 2 and square root of k (inclusive) is a factor of k.
Sufficient

Statement 2:
k/2 >= sqrt(k)
So it satisfies the above-mentioned property.
Sufficient

Statement 1:Property of a prime number: k is a prime number if no integer between 2 and square root of k (inclusive) is a factor of k.SufficientStatement 2:k/2 >= sqrt(k)So it satisfies the above-mentioned property.Sufficient
Statement 1:Property of a prime number: k is a prime number if no integer between 2 and square root of k (inclusive) is a factor of k.SufficientStatement 2:k/2 >= sqrt(k)So it satisfies the above-mentioned property.Sufficient