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V and W are integers. Is V=W? (1) WCV=1 (the number of

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V and W are integers. Is V=W? (1) WCV=1 (the number of [#permalink] New post 15 Aug 2003, 03:25
V and W are integers. Is V=W?

(1) WCV=1 (the number of combinations)
(2) 6CV=1 (the number of combinations)
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Answer [#permalink] New post 15 Aug 2003, 06:02
(A) W has to equal V (I don't remember what we decided about xC0, but I won't consider that for now)
Suff

(B) V has to be 6, but who knows about W.
Not Suff

A
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 [#permalink] New post 15 Aug 2003, 06:08
:no
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 [#permalink] New post 15 Aug 2003, 15:35
nCk = n!/k!(n-k)!

the result will be 1 if
n=k OR k=0

So according to first condition, W=V or V=0 and W could be anything
according to second condition, V=6 or V=0

So I think the answer is E
  [#permalink] 15 Aug 2003, 15:35
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V and W are integers. Is V=W? (1) WCV=1 (the number of

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