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# If n is different from zero

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If n is different from zero [#permalink]  27 Jun 2018, 10:01
Expert's post
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Question Stats:

90% (00:37) correct 9% (01:01) wrong based on 11 sessions
If $$n \neq 0$$, which of the following must be greater than n ?

I. $$2n$$

II. $$n^3$$

III. $$4 - n$$

A. None

B. I only

C. II only

D. I and II

E. I and III
[Reveal] Spoiler: OA

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Re: If n is different from zero [#permalink]  28 Jun 2018, 10:27
Carcass wrote:
If $$n \neq 0$$, which of the following must be greater than n ?

I. $$2n$$

II. $$n^3$$

III. $$4 - n$$

A. None

B. I only

C. II only

D. I and II

E. I and III

Here if n = -1

Then 2n = 2 * -1 =-2 < n

If n= -2

Then $$n^3$$ = -8 < n

If n = 6

Then 4 - n = -2 < n

Hence no option satisfy the equation. Hence option A
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Re: If n is different from zero   [#permalink] 28 Jun 2018, 10:27
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