What is the sum of X+XX+XXX+XXXX?
12.06.2025 00:02
1234X
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)
It’s a matter of interpretation.
Could Patriots cut Stefon Diggs and owe him nothing? It’s complicated. - NBC Sports
11010X
What is the sum of X+XX+XXX+XXXX?
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
How is cultural invasion being carried out by Bollywood?
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
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
and for binary would be
How do you write a letter to your uncle who sent you money for your birthday outfit?