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# What will be the outcome of (x-a)(x-b)(x-c)..................(x-z)

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Manager
Joined: 08 Sep 2010
Posts: 226
Location: India
WE 1: 6 Year, Telecom(GSM)
What will be the outcome of (x-a)(x-b)(x-c)..................(x-z) [#permalink]

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04 Oct 2010, 21:52
2
KUDOS
1
This post was
BOOKMARKED
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Difficulty:

45% (medium)

Question Stats:

37% (01:14) correct 63% (00:35) wrong based on 78 sessions

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What will be the outcome of (x-a)(x-b)(x-c)..................(x-z)

A. Infinity
B. 1
C. 0
D. (x-a)^x ,that is (x-a) to the power x.
E. Insufficient Date to provide answer.

Official Explanation will come soon.
Consider KUDOS if You like.
[Reveal] Spoiler: OA
Retired Moderator
Joined: 02 Sep 2010
Posts: 803
Location: London
Re: What will be the outcome of (x-a)(x-b)(x-c)..................(x-z) [#permalink]

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04 Oct 2010, 23:09
ankitranjan wrote:
What will be the outcome of (x-a)(x-b)(x-c)..................(x-z)

A. Infinity
B. 1
C. 0
D. (x-a)^x ,that is (x-a) to the power x.
E. Insufficient Date to provide answer.

Official Explanation will come soon.
Consider KUDOS if You like.

Ha ! this is a trick question isn't it ?

You have a (x-x) term in there, so answer is 0 or (C)
_________________
Manager
Joined: 22 Aug 2008
Posts: 181
Re: What will be the outcome of (x-a)(x-b)(x-c)..................(x-z) [#permalink]

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04 Oct 2010, 23:16
this is a common question.. and a nice one too.

the ans is 0 because of (x-x)..
Retired Moderator
Joined: 02 Sep 2010
Posts: 803
Location: London
Re: What will be the outcome of (x-a)(x-b)(x-c)..................(x-z) [#permalink]

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04 Oct 2010, 23:30
ya but its more of a trick puzzle than a GMAT question though
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Manager
Joined: 16 Jun 2010
Posts: 184
Re: What will be the outcome of (x-a)(x-b)(x-c)..................(x-z) [#permalink]

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05 Oct 2010, 12:27
ok It is not a GMAT question, but I do not understand the explanation 'x-x' ???
_________________

Please give me kudos, if you like the above post.
Thanks.

Retired Moderator
Joined: 02 Sep 2010
Posts: 803
Location: London
Re: What will be the outcome of (x-a)(x-b)(x-c)..................(x-z) [#permalink]

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05 Oct 2010, 12:54
1
KUDOS
(x-a)
(x-b)
.
.
.
(x-v)
(x-w)
(x-x)
(x-y)
(x-z)

Its all very silly, I won't worry about it
_________________
Re: What will be the outcome of (x-a)(x-b)(x-c)..................(x-z)   [#permalink] 05 Oct 2010, 12:54
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