What is the sum of X+XX+XXX+XXXX?
Last Updated: 25.06.2025 23:58
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
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)
Cognitive changes before DBS not a dementia risk factor in Parkinson’s - Parkinson's News Today
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
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
1234X
What are the latest trends in commercial interior design in Noida?
11010X
What is the sum of X+XX+XXX+XXXX?
and for binary would be