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How many of integers P, Q, and R are zeroes? (1) PQR=0 (2)

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SVP
Joined: 03 Feb 2003
Posts: 1604
How many of integers P, Q, and R are zeroes? (1) PQR=0 (2) [#permalink]

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19 May 2003, 23:25
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How many of integers P, Q, and R are zeroes?

(1) PQR=0
(2) P+Q+R=0
SVP
Joined: 03 Feb 2003
Posts: 1604

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19 May 2003, 23:33
agree with E.
But initially I have thought that it is B. I was wrong.

from (1) one, two, or three zeroes
from (2) one or three zeroes

combine: one or three zeroes. E.
SVP
Joined: 14 Dec 2004
Posts: 1689

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18 Mar 2006, 23:22
"E" it is
Manager
Joined: 12 Feb 2006
Posts: 71

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19 Mar 2006, 08:26

1) all 3 could be zero, or one of them

2) all 3 could be zero, or one of them

combined.. still the same..
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19 Mar 2006, 08:26
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How many of integers P, Q, and R are zeroes? (1) PQR=0 (2)

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