There are four animals: a dog, a cat, a rabbit, and a parrot. The dog is not a mammal, the cat is a mammal, the rabbit is a mammal, and the parrot is a bird. Which of the following is a mammal?
A, B, C, D, and E are seated in a row. A is to the left of C and D is to the right of C. If E is not at either end, who is sitting at the extreme right?
A team of three players is to be selected from the following: X, Y, Z, A, and B. The selection rules are: 1) X and Y cannot be selected together. 2) Z must be included if A is included. 3) B can only be included if Y is not included. Which of the following selections is valid?