DS-Gmatprep List of zeros

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Source: — Data Sufficiency |

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by sujaysolanki » Thu Nov 22, 2007 7:53 am
Nos in list > 2

From stmt 1

let count of nos = 3

Say 0 0 1 Product of any two 0 but all are not zero.
Hence Insufficient
AD out left with BCE

From stmt 2

Say The sum of any two will be zero only when all numbers are zero .

NO other case holds true for example -1 1 1 & 0 1 2 are not possible