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If x is a prime number greater than 2, which of the following could be

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Joined: 26 Feb 2016
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If x is a prime number greater than 2, which of the following could be  [#permalink]

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29 Oct 2018, 23:39
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Difficulty:

15% (low)

Question Stats:

82% (00:45) correct 18% (00:20) wrong based on 33 sessions

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If x is a prime number greater than 2, which of the following could be a prime number?

(A) $$x^2$$
(B) $$\frac{x}{2}$$
(C) $$3x$$
(D) $$x - 4$$
(E) $$x^2 + 1$$

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Joined: 17 Nov 2016
Posts: 10
Re: If x is a prime number greater than 2, which of the following could be  [#permalink]

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30 Oct 2018, 00:29
IMO D. As it is “could be” question, plugin x=7, only D holds

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Re: If x is a prime number greater than 2, which of the following could be &nbs [#permalink] 30 Oct 2018, 00:29
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