Four spheres named W, X, Y, and Z have distinct weights. Sphere W is heavier than X. Sphere Y is lighter than Z. Sphere X is heavier than Z. Which sphere is the second heaviest?
X
Combining the clues gives the full weight order from heaviest to lightest: W > X > Z > Y. Therefore, sphere X is the second heaviest.
About this riddle
Logic riddles give you a few facts and ask what must be true. List what you know, cross out what cannot be, and see what is left.
Difficulty: Medium. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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