Reasoning - Logical Problems - Discussion

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Q.

Fact 1:Robert has four vehicles.
Fact 2:Two of the vehicles are red.
Fact 3:One of the vehicles is a minivan.
If the first three statements are facts, which of the following statements must also be a fact?
I:Robert has a red minivan.
II:Robert has three cars.
III:Robert's favorite color is red.                         
A. I only B. II only
C. II and III only D. None of the statements is a known fact.

Answer: Option D
Explaination:

 


There is not enough information to support any of the statements. Robert is known to have a minvan, but it is not known which of his vehicles is red. Robert may have a pickup or sport utility vehicle, so the second statement cannot be supported. There is no way to know if Robert's favorite color is red (statement III).




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