I can change signs with a flip, my identity transforms but I remain the same. What am I?
Category: Math · Difficulty: expert
Hint: Consider something that represents a value less than zero.
Answer
A negative number
Explanation
A negative number is defined as a value less than zero, and changing its sign turns it into a positive number.
This is a expert math riddle — one of the harder riddles here. The answer is A negative number.
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