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Is x equal to 2.5?

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Is x equal to 2.5? [#permalink]

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New post 11 Jan 2018, 22:38
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52% (00:43) correct 48% (00:39) wrong based on 61 sessions

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Re: Is x equal to 2.5? [#permalink]

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New post 11 Jan 2018, 22:57
Bunuel wrote:
Is x equal to 2.5?

(1) x is rounded to the nearest integer is 3.
(2) x is rounded to the tenths digit is 2.5.


1. If x rounded to the nearest integer is 3, the value of x could be
any value greater than 2.5, but it is not necessarily 2.5(Insufficient)

2. When x is rounded to the tenths digit, the value is 2.5, x could be
greater than or equal to 2.45 or lesser than 2.55. But it doesn't
necessarily have to be 2.5 (Insufficient)

On combining the information given in both the statements, the range
is 2.5 <= x < 2.55. Hence, x is not necessarily equal to 2.5(Option E)
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Re: Is x equal to 2.5? [#permalink]

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New post 03 Feb 2018, 15:47
The question is just asking if X=2.5, So from statement (2) if a non integer number HAS to be rounded in order to get 2.5, then X CANNOT be 2.5 and hence sufficient.

From statement (1) we do not know if X is 2.5 if it is rounded to the nearest integer. X could be 2.5 or 2.6, 2.7 etc?

Can the answer be B?
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Re: Is x equal to 2.5? [#permalink]

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New post 03 Feb 2018, 16:41
mekoner wrote:
The question is just asking if X=2.5, So from statement (2) if a non integer number HAS to be rounded in order to get 2.5, then X CANNOT be 2.5 and hence sufficient.

From statement (1) we do not know if X is 2.5 if it is rounded to the nearest integer. X could be 2.5 or 2.6, 2.7 etc?

Can the answer be B?


Check x = 2.5 & 2.53...........Both satisfy Statement 1 & 2 ..Hence, you won't get conclusive answer.

Answer: E
Re: Is x equal to 2.5?   [#permalink] 03 Feb 2018, 16:41
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