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general knowledge Online Quiz - 4696
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If you take any number, double it, add 10, divide by 2, and subtract your original number, the answer will always be --
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A
5
💡 Explanation:
This is an algebraic identity. Let the original number be n. Double it: 2n. Add 10: 2n + 10. Divide by 2: n + 5. Subtract original number n: 5. The result is always 5 regardless of the starting number. This works because the operations are designed to cancel out the original number.