In a selection of four colors from the following: Red, Blue, Green, Yellow, and Purple, the rules are: 1) Red and Blue cannot be selected together. 2) Green must be included if Yellow is included. 3) Purple can only be selected if Red is not selected. Which of the following combinations is valid?
There are four boxes labeled A, B, C, and D. Box A contains apples, Box B contains bananas, Box C contains cherries, and Box D is empty. If Box A cannot be selected if Box C is selected, which boxes can be selected together?
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. C is not the tallest. Who is the tallest among them?
In a selection puzzle involving four colors: Red, Blue, Green, and Yellow, the following rules apply: 1) Red and Blue cannot be selected together. 2) Green must be included if Yellow is included. 3) At least one color must be selected. Which combination of colors meets these criteria?
In a class of students: Alex, Ben, Clara, and Dana, the following conditions hold: Alex scored higher than Ben but lower than Clara. Dana scored the lowest. Who scored the highest?