Four books are stacked vertically. The history book is directly above the poetry book. The science book is somewhere below the math book. The poetry book is directly above the science book. What is the book at the very bottom of the stack?
Science book
From top to bottom based on the clues: History is above poetry (History, Poetry). Poetry is directly above science (History, Poetry, Science). Science is below math, which fits since math must be at the very top (Math, History, Poetry, Science). Thus, the science book is at the bottom.
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: Easy. More like this: Logic riddles with answers or try Einstein's Logic Grid for a different kind of puzzle.
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