What is the sum of X+XX+XXX+XXXX?
Last Updated: 22.06.2025 05:19

and for binary 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)
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
I'm British and feel ashamed of the crimes of British colonialism. What should I do?
1234X
It’s a matter of interpretation.
11010X
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
What is the sum of X+XX+XXX+XXXX?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,