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# Sequence S consists of 24 nonzero integers. If each term in

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Manager
Joined: 14 Mar 2007
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Sequence S consists of 24 nonzero integers. If each term in [#permalink]  30 Mar 2007, 13:31
Sequence S consists of 24 nonzero integers. If each term in S after the second is the product of the previous two terms, how much terms in S are negative?

(1) The third term in S is positive.
(2) The fourth term in S is negative.

Manager
Joined: 02 Jan 2007
Posts: 208
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Kudos [?]: 3 [0], given: 0

My pick is B.

let P= Positive &
N = Negative

Statement I:
the first 2 terms could be
P, P or (no N terms in the entire series this way)
N, N........ Cant tell...............insuff

Statement II:
The first 2 terms could be
N, P or
N, N

so the series could progress as
N P N N ..... or
N N P N........................................suff
both result in the same # of negative terms in the sequence.
Manager
Joined: 09 Sep 2004
Posts: 166
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I agree with Vikramjit - B.

I initially thought it was C but I re read the question and what it was asking for and I guess you can work out how many -ve nos there are.
Manager
Joined: 14 Mar 2007
Posts: 238
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Kudos [?]: 1 [0], given: 0

Correct is B. Thank you everyone!
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