What is the sum of X+XX+XXX+XXXX?
Last Updated: 29.06.2025 03:35
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)
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Little-known cells might be key to human brain’s massive memory - The Washington Post
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
11010X
and for binary would be
When a narcissist mad at their new supply, do they take it out on the old supply?
1234X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
It’s a matter of interpretation.