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

Last Updated: 17.06.2025 01:00

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

It’s a matter of interpretation.

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)

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

Have you ever forcibly sucked someone’s dick?

1234X

and for binary would be

11010X

Why aren't U.S. prisons more like Marine Corps boot camp, were every second of the day there are mandatory activities so that at night everyone is so tired they go to sleep until wakeup at 5:30 am? Would this make prisons safer for all?

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

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?

Why are fewer English people going to their local pubs for a drink? Are they aware that many pubs are shutting down due to lack of customers?