Is product A*B prime? (1) B is even (2) A=1 : DS Archive
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# Is product A*B prime? (1) B is even (2) A=1

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SVP
Joined: 03 Feb 2003
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Is product A*B prime? (1) B is even (2) A=1 [#permalink]

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13 Jul 2004, 01:20
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Is product A*B prime?

(1) B is even
(2) A=1
Manager
Joined: 21 Jun 2004
Posts: 52
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Kudos [?]: 1 [0], given: 0

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15 Jul 2004, 23:00
I would think the answer is A.

becasue,

If B is even, thte product is even then the answer is wrong.

So 1) is sufficinet to answer this question.

Am I missing something
Senior Manager
Joined: 25 Dec 2003
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Location: India
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15 Jul 2004, 23:15
Hi KSR

The question is asking if A*B=prime.

Stmnt A says = B is even, hence B can be 2,4,6,8....
Stamnt A says it is 1.

The answer can be anything, 2, 4, 6, 8, .... (wheareas B is the only prime.)

Hence we cannot deduce the answer. E.
_________________

Giving another SHOT

Manager
Joined: 21 Jun 2004
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16 Jul 2004, 08:52
Opps....

Answer is E - Agreed
16 Jul 2004, 08:52
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# Is product A*B prime? (1) B is even (2) A=1

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