What is the sum of X+XX+XXX+XXXX?
Last Updated: 20.06.2025 01:16

However, X +X^2 +X^3 + X^4 is a valid algebraic answer,
It’s a matter of interpretation.
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)
Why do I sweat (mostly on face) when I eat usually spicy food?
*Note that the abbreviation XL (for XXXX) appeared quite late in the Roman period, and never found universal favour
1234X
and for binary would be
What is the sum of X+XX+XXX+XXXX?
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
Have you ever had sex with your mother-in-law? If so, how was it and did your wife ever find out?