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If x is not equal to 1 and y = (1/x −1), then which one of the followi

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Senior Manager
Senior Manager
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P
Joined: 02 Jan 2017
Posts: 315
Location: Canada
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If x is not equal to 1 and y = (1/x −1), then which one of the followi [#permalink]

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New post 05 Mar 2017, 22:53
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

88% (00:41) correct 12% (01:06) wrong based on 41 sessions

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If x is not equal to 1 and y = 1/(x −1), then which one of the following cannot be the value of y ?

(A) 0

(B) 1

(C) 2

(D) 3

(E) 4
[Reveal] Spoiler: OA
Senior Manager
Senior Manager
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Joined: 24 Apr 2016
Posts: 333
Re: If x is not equal to 1 and y = (1/x −1), then which one of the followi [#permalink]

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New post 05 Mar 2017, 23:27
Plugging in the first value from the first option

y=0 in the equation y = 1/(x −1) => 0 = 1/(x −1)

multiplying both sides by (x-1), we get

0 = 1, which is not possible. Hence Answer is A
Re: If x is not equal to 1 and y = (1/x −1), then which one of the followi   [#permalink] 05 Mar 2017, 23:27
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If x is not equal to 1 and y = (1/x −1), then which one of the followi

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