A merchant has five coins of different weights. Coin A is heavier than Coin B. Coin C is lighter than Coin D. Coin B is heavier than Coin D. Coin E is heavier than Coin A. Which coin is the lightest of all five?
Coin C
Let's chain the weights from heaviest to lightest using the inequalities: E > A > B > D > C. Coin C is at the very bottom of this chain, making it the lightest.
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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