What is the sum of X+XX+XXX+XXXX?
Last Updated: 17.06.2025 17:14

1234X
It’s a matter of interpretation.
11010X
Why did the American's mulberry harbor not hold up after D-Day?
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)
What is the sum of X+XX+XXX+XXXX?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
Is it painful for men to wear bras, panties, and tampons?
and for binary would be
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
If women aren't shallow, why do most tall, good-looking men have girlfriends?