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Is the number of clients of Company X greater than the number of clien

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Is the number of clients of Company X greater than the number of clien  [#permalink]

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New post 25 Oct 2018, 01:21
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A
B
C
D
E

Difficulty:

  35% (medium)

Question Stats:

80% (00:58) correct 20% (00:49) wrong based on 15 sessions

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Is the number of clients of Company X greater than the number of clients of Company Y?

(1) Of the clients of Company X, 25 percent are also clients of Company Y.
(2) Of the clients of Company Y, 37.5 percent are also clients of Company X.

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Re: Is the number of clients of Company X greater than the number of clien  [#permalink]

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New post 25 Oct 2018, 03:15
The answer is C.

This is a Logical question - no need to do any calculations, just use a logical rule.
1) and 2) are both clearly insufficient - the portion of each company which is shared with the other could be the other companies entire clientele, or just a tiny fraction - no way to know...
Combined, however, is a different story: If the same amount (the people who are customers of both companies) is a larger percentage in one whole than in another, that means that first whole is smaller than the second. This is important logical rule to remember, which gives us the answer quickly!
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Re: Is the number of clients of Company X greater than the number of clien &nbs [#permalink] 25 Oct 2018, 03:15
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