In a puzzle involving four animals: Lion, Tiger, Bear, and Wolf, the following rules apply: The Lion cannot be selected if the Tiger is selected. The Bear can only be selected if the Wolf is not selected. Which of the following selections is valid?
A group of four colors: Red, Blue, Green, and Yellow must be selected based on these conditions: Red cannot be selected if Blue is selected. Green can only be selected if Yellow is also selected. Which of the following selections is valid?
In a selection of five books: A, B, C, D, and E, the following conditions apply: Book A cannot be selected if Book B is selected. Book C can only be selected if Book D is not selected. Which of the following combinations is valid?
In a group of five friends: A, B, C, D, and E, the following conditions apply: A is taller than B but shorter than C. D is shorter than E but taller than A. Who is the tallest among them?
A, B, C, D, and E are five students who scored the following marks: A scored more than B but less than C. D scored less than E but more than A. Who scored the least?