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by sanju09 » Thu Apr 22, 2010 4:24 am
The product of five integers is zero. How many of the five integers are zero?

(1) There are more zeros than the non-zero integers in the given list of five integers.

(2) Product of any two of the five integers is zero.
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by harshavardhanc » Thu Apr 22, 2010 4:30 am
sanju09 wrote:The product of five integers is zero. How many of the five integers are zero?

(1) There are more zeros than the non-zero integers in the given list of five integers.

(2) Product of any two of the five integers is zero.
statement 1 : inconclusive. can be 4 zeros and 1 non zero. can be 3 zeros and 2 non zeros.

statement 2 : sufficient. each number has to zero in order to fulfill this condition.

IMO B.
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by akhpad » Thu Apr 22, 2010 4:32 am
The product of five integers is zero. How many of the five integers are zero?

(1) There are more zeros than the non-zero integers in the given list of five integers.
0, 0, 0, 2, 3
0, 0, 0, 0, 4
0, 0, 0, 0, 0

Insufficient

(2) Product of any two of the five integers is zero.

0, 0, 0, 0, 4
0, 0, 0, 0, 0

Can I consider all zero's? If can, then E

If cannot, then B
Last edited by akhpad on Thu Apr 22, 2010 5:19 am, edited 1 time in total.
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by harshavardhanc » Thu Apr 22, 2010 4:37 am
akhp77 wrote:The product of five integers is zero. How many of the five integers are zero?

(1) There are more zeros than the non-zero integers in the given list of five integers.
0, 0, 0, 2, 3
0, 0, 0, 0, 4
0, 0, 0, 0, 0

Insufficient

(2) Product of any two of the five integers is zero.

0, 0, 0, 0, 4
0, 0, 0, 0, 0

Can I consider all zero's? If can, then E

If cannot, then D
gooooooooood. forgot that point. it should be E.
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by sanju09 » Thu Apr 22, 2010 4:42 am
akhp77 wrote:The product of five integers is zero. How many of the five integers are zero?

(1) There are more zeros than the non-zero integers in the given list of five integers.
0, 0, 0, 2, 3
0, 0, 0, 0, 4
0, 0, 0, 0, 0

Insufficient

(2) Product of any two of the five integers is zero.

0, 0, 0, 0, 4
0, 0, 0, 0, 0

Can I consider all zero's? If can, then E

If cannot, then D
Howdy! How D in any case?
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by eaakbari » Thu Apr 22, 2010 5:06 am
IMO C

(1)
More zeroes than the non zeroes implies it could be 3 or 4. Hence Insuff

(2)
4 could be 0 or all could be zero

Combined
(1) implies there is at least 1 non zero integer, and from 2 we can gather that there are 4

Hence C
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by sanju09 » Thu Apr 22, 2010 5:32 am
eaakbari wrote:IMO C

(1)
More zeroes than the non zeroes implies it could be 3 or 4. Hence Insuff

(2)
4 could be 0 or all could be zero

Combined
(1) implies there is at least 1 non zero integer, and from 2 we can gather that there are 4

Hence C
Why cannot all five be zero, according to statement (1)?
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by eaakbari » Thu Apr 22, 2010 6:22 am
sanju09 wrote:
eaakbari wrote:IMO C

(1)
More zeroes than the non zeroes implies it could be 3 or 4. Hence Insuff

(2)
4 could be 0 or all could be zero

Combined
(1) implies there is at least 1 non zero integer, and from 2 we can gather that there are 4

Hence C
Why cannot all five be zero, according to statement (1)?


Well because of the following statement I did conclude the above
(1) There are more zeros than the non-zero integers in the given list of five integers.
But on second thought it can be 5 and 0 as 5>0. Hmm, the language did confuse me.
Now I think its E
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by gmatmachoman » Thu Apr 22, 2010 7:05 am
akhp77 wrote:The product of five integers is zero. How many of the five integers are zero?

(1) There are more zeros than the non-zero integers in the given list of five integers.
0, 0, 0, 2, 3
0, 0, 0, 0, 4
0, 0, 0, 0, 0

Insufficient

(2) Product of any two of the five integers is zero.

0, 0, 0, 0, 4
0, 0, 0, 0, 0

Can I consider all zero's? If can, then E

If cannot, then B
@sanju bhai..

lovely question

@Prasad..lovely demystification!!

all 5 could be zeros....

@harsha..

seems we need to be careful man!!
Did u chk that post of nisha.menon dealing with service errors combined rate..even that is also awesome...
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