What is the sum of X+XX+XXX+XXXX?
11.06.2025 05:26
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
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and for binary would be
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
It’s a matter of interpretation.
When British people write X after everything, are they being serious or trying not to be awkward?
1234X
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