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# 5 numbers mprts>0, which of the following must be true?

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Manager
Joined: 20 Sep 2004
Posts: 62
Followers: 1

Kudos [?]: 3 [0], given: 0

5 numbers mprts>0, which of the following must be true?  [#permalink]  24 Nov 2004, 07:30
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5 numbers mprts>0, which of the following must be true?

I. mp>0
II. rt>0
III. ts>0
Manager
Joined: 19 Nov 2004
Posts: 59
Followers: 1

Kudos [?]: 3 [0], given: 0

None of them must be true.

We need just 2 situations to prove it:
m+, others -

mprts>0 TRUE
I. mp>0 FALSE
II. rt>0 TRUE
III. ts>0 TRUE

t+, others -
mprts>0 TRUE
I. mp>0 TRUE
II. rt>0 FALSE
III. ts>0 FALSE
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