What is the sum of X+XX+XXX+XXXX?
16.06.2025 02:35

It’s a matter of interpretation.
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 do people with very high IQs do all day?
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
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
What is the sum of X+XX+XXX+XXXX?
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11010X
1234X
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)
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