What is the sum of X+XX+XXX+XXXX?
Last Updated: 29.06.2025 07:19
1234X
It’s a matter of interpretation.
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)
and for binary would be
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
What is the sum of X+XX+XXX+XXXX?
New theory proposes time has three dimensions, with space as a secondary effect - Phys.org
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
11010X
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
Have you ever lied to your family? What were the circumstances?