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VP
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Joined: 30 Sep 2004
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ds - companies [#permalink] New post 21 Oct 2005, 07:00
00:00
A
B
C
D
E

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company x has A employees and company y has B. Some employees work for company x as well as for company y. is A > B ?

1) 0.3A work for company y as well
2) 0.4B work for company x as well
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 [#permalink] New post 21 Oct 2005, 07:05
The answer is C. It takes both statements
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 [#permalink] New post 21 Oct 2005, 07:07
Answer is C

1. Insuff as we do not know B
2. Insuff as we do not know A

Some work for both which is .3A and .4B. Hence,

.3A = .4B
-> A = (4/3) * B
-> A > B
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 [#permalink] New post 21 Oct 2005, 07:26
(1) and (2) by themselves are not sufficient as we do not know how many of A and B work for the other company.

Using both (1) and (2), we have the intersection of a venn diagram. So 0.3A = 0.4B
A = 4/3B. A>B.

Ans: C
  [#permalink] 21 Oct 2005, 07:26
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