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

10.06.2025 05:01

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

1234X

It’s a matter of interpretation.

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

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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

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

and for binary would be

What happened to the American Russell Bentley from Texas that was fighting for the pro-Russian commies?

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

11010X

Beautiful European women were killed by inquisition but Russia was not Catholic. Is this the reason for a drastic difference explaining why Russian women are the prettiest?