1. 3x is a factor of 48 means x is a factor of 16
hence factor of 16 are may be 2,4,8 and 16 but 16 is not factor of 24 hence x is not factor of 24 so sufficient
hence left with A and D
2. 5x is a factor of 60 so x is a factor of 12 so 2,3,4,6 and 12 are posible values of x and all are factors of 24 also so sufficient
hence answer is D
what is OA ?
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167) is x a factor?
Source: Beat The GMAT — Data Sufficiency |
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