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What is the sum of X+XX+XXX+XXXX?

14.06.2025 13:05

What is the sum of X+XX+XXX+XXXX?

It’s a matter of interpretation.

and for binary would be

as would be assuming that these are representations of conventional numbers, in which case the answer for number bases of five or more would be

At what stage in your life did you realize, "No, I can't do this any more" and walk out? Why?

11010X

Given the use of upper case, I personally would initially assume Roman numerals*, so the answer would be C (100 in present-day decimal notation)

*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour

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What is the sum of X+XX+XXX+XXXX?

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,

1234X

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