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

10.06.2025 07:29

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

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)

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

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

What are you struggling with in your life? What would you like to have instead?

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

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

1234X

I want to have anal sex, but my wife refuses. What do I do?

11010X

and for binary would be

It’s a matter of interpretation.

How old is planet Earth? Is it 4.5 billion years old or 6,000 years old?