What is the sum of X+XX+XXX+XXXX?
11.06.2025 00:49
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)
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
and for binary would be
1234X
11010X
What is the sum of X+XX+XXX+XXXX?
Will you share your wife? Can she take both of us at the same time?
It’s a matter of interpretation.
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Big Tech Is Back in S&P 500 Driver’s Seat as Profit Engines Hum - Bloomberg