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05 Jul 2018, 01:35
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B
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Difficulty:
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Question Stats:
92% (00:32) correct
8%
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based on 648
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If integer p is greater than 1, is p a prime number?
(1) p is odd.
(2) The only positive factors of p are 1 and p.
(1) p is odd.
(2) The only positive factors of p are 1 and p.
05 Jul 2018, 01:48
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1 stm: Obviously not suff.
2 stm: we can formulate the definition of a prime number: An integer with 2 positive factors 1 and itself. sufficient
In My Opinion
Ans: B
2 stm: we can formulate the definition of a prime number: An integer with 2 positive factors 1 and itself. sufficient
In My Opinion
Ans: B
05 Jul 2018, 09:19
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Bunuel
If integer p is greater than 1, is p a prime number?
(1) p is odd.
(2) The only positive factors of p are 1 and p.
(1) p is odd.
(2) The only positive factors of p are 1 and p.
Given p>1 and p is an integer.
Question stem:- Is p a prime number
Statement-1:- p is odd
So, P=3,5,7,9,11,13,15..etc.
P is prime when p=3,5,7,11 etc and p is not prime when p=9,15 etc.
hence insufficient.
Statement-2:- The only positive factors of p are 1 and p.
It implies that p is a prime number.
Hence, sufficient.
Ans. (B)
