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

Last Updated: 30.06.2025 05:19

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

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)

1234X

and for binary would be

My boss called me on a Saturday to let me know he that due to financial reasons, I was no longer needed effective immediatley. 3 days later, he sends me a text asking about work issues. How do I respond?

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

11010X

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

Jessie J Diagnosed with ‘Early’ Breast Cancer: ‘I Need to Process It and Talk About It’ - Rolling Stone

*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

It’s a matter of interpretation.

Reality TV star’s son dead at 16: ‘Life is so cruel and unfair’ - AL.com