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

Last Updated: 19.06.2025 06:39

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

11010X

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

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)

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

1234X

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

I am skinny, I have been doing 100 pushups a day for more than a month and am seeing very few results, everything is so unfair, I workout more than anyone I know and am still skinny, why cant I build muscle?

and for binary would be

It’s a matter of interpretation.

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

I haven’t eaten junk food for weeks, I ate dirty all-day yesterday, but I can’t even workout, why am I so tired?