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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: 1607
Followers: 7

Kudos [?]: 87 [0], given: 0

How many of integers P, Q, and R are zeroes? (1) PQR=0 (2) [#permalink]  19 May 2003, 22:25
How many of integers P, Q, and R are zeroes?

(1) PQR=0
(2) P+Q+R=0
SVP
Joined: 03 Feb 2003
Posts: 1607
Followers: 7

Kudos [?]: 87 [0], given: 0

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: 1706
Followers: 1

Kudos [?]: 59 [0], given: 0

"E" it is
Manager
Joined: 12 Feb 2006
Posts: 71
Followers: 1

Kudos [?]: 2 [0], given: 0

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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