What is the sum of X+XX+XXX+XXXX?
12.06.2025 00:09
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)
What is the sum of X+XX+XXX+XXXX?
and for binary would be
‘Stranger Things’ Season 5 Gets Three-Part Release, Series Finale Set for New Year’s Eve - Variety
1234X
*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
Rangers Option Kumar Rocker - MLB Trade Rumors
11010X
It’s a matter of interpretation.
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
F1 reveals 2026 calendar as Madrid replaces Imola - Motorsport.com