A trader buys a vintage camera for $60, sells it for $70, buys it back for $80, and sells it again for $90. How much total profit did he make?
$20.
The trader completed two separate transactions: $70 - $60 = $10 profit, and $90 - $80 = $10 profit. Total profit is $10 + $10 = $20.
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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