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P and Q products
Source: Beat The GMAT — Data Sufficiency |
Statement 1 gives the fraction of people who buy only product P
Statement 2 gives fraction of peoplw ho buy product Q (This also includes the number of people buying both P and Q)
Hence fraction of people buying neither products = 1 - (1/3 + 1/2) = 1/6
Hence C (Both statements are needed)
Statement 2 gives fraction of peoplw ho buy product Q (This also includes the number of people buying both P and Q)
Hence fraction of people buying neither products = 1 - (1/3 + 1/2) = 1/6
Hence C (Both statements are needed)
