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

Last Updated: 18.06.2025 03:05

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,

1234X

In Italy, how do people greet each other when they meet for the first time (e.g., on the street)? What's a good response to that greeting if you're not from Italy or don't speak Italian fluently yet?

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)

and for binary would be

Have you ever lied to your family? What were the circumstances?

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 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

Why do men cheat on their wives with someone extremely unattractive?