From the items A, B, C, D, and E, the following selection conditions apply: 1) A and B cannot be selected together. 2) C must be selected if D is selected. 3) E can only be selected if A is not selected. Which of the following selections is possible?
A team of three is to be formed from the members X, Y, Z, W, and V. The selection rules are: 1) X and Y cannot be selected together. 2) Z must be included if W is included. 3) V can be included only if X is not included. Which of the following teams is valid?
There are four animals: a dog, a cat, a rabbit, and a turtle. The dog is faster than the rabbit but slower than the cat. The turtle is the slowest of all. Which animal is the fastest?