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

Last Updated: 22.06.2025 04:38

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

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

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)

If Russia needs the resources to fund the war in Ukraine, why doesn’t it throw open its doors to visa free western tourism? Enough people would be interested, & it would start to get some hard currency as €, CHF, £, SEK, $, JPY in the tills at shops.

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

It’s a matter of interpretation.

11010X

Is the Philippines PH a poor 3rd world or 4th world country forever and forever?

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

and for binary would be

1234X

Why don't we use the fastest possible processors in all devices?