What is the sum of X+XX+XXX+XXXX?
13.06.2025 03:21
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
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1234X
However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
It’s a matter of interpretation.
Why does the UK Labour MP Jess Philips seem to be such a divisive figure?
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
What is the sum of X+XX+XXX+XXXX?
11010X