Three children—Raquel, Tiara, and Xing—each own one pet. The pets are a parrot, an iguana, and a hamster. Xing does not own the hamster.
Which of the following additional pieces of information is needed to determine who owns the iguana?
A. Tiara owns the hamster.
B. Raquel does not own the hamster.
C. Raquel owns the parrot.
D. Xing owns the parrot.
E. Tiara does not own the hamster.
answer is C
because if Raquel owns the parrot and Xing does not own the hamster it means, Xing own the iguana and Tiara owns the hamster.