What is the sum of X+XX+XXX+XXXX?
Last Updated: 18.06.2025 02:38

1234X
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
What is the most interesting question you can ask to get to know someone?
What is the sum of X+XX+XXX+XXXX?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
It’s a matter of interpretation.
I have the power to talk to aliens through using telepathy. Why do people think I'm crazy?
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
and for binary would be
Why would Trump make conspiracy claims that Haitians are eating pets in Ohio?