What are the riddles in die hard 3?

In "Die Hard with a Vengeance," the riddles are part of a series of challenges set by the antagonist, Simon Gruber. The main characters, John McClane and Zeus Carver, must solve these riddles to prevent bombs from exploding in New York City. The riddles include various puzzles and Wordplay, such as the infamous "What has four wheels and flies?" riddle, which leads to a crucial clue about a garbage truck. These challenges create tension and urgency as they race against time to save the city.