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

Last Updated: 03.07.2025 02:15

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

It’s a matter of interpretation.

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

and for binary would be

How do you feel about Labour MPs blaming the Tories for leaving them with difficult decisions regarding the winter fuel allowance cut?

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

1234X

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

Do ya think Taylor Swift worships the devil?

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)

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 unattractive about a nice guy? Why do some women don’t choose nice guys?