Beethoven's famous symphony
+
how old Taylor Swift is feeling
What is 27?
5+22
This number has the same number of letters.
What is Four?
XX
What is 20?
The French number quatre-vingt-dix-neuf translates to four-twenty-ten-nine, or this number in English.
What is Ninety-Nine?
An improper fraction is always greater than this.
What is 1?
Harry Potter books
x
Harry Potter movies
/
Harry Potter houses
What is 14?
7x8/4
Every odd number has this letter in it. The same is not true of every even number.
What is "E"?
XIV
What is 14?
We get this common math term from Latin, meaning "for every one hundred".
What is Percent?
This is the only number that is twice the sum of its digits.
What is 18?
2(1+8) = 2(9)
Seasons of Friends
/
(Seasons of How I Met Your Mother - Seasons of Seinfeld)
What is Undefined?
10/(9-9) = 10/0
The letters of this number occur alphabetically when spelling it out.
What is Forty?
XL
What is 40?
As opposed to Roman numerals, we use these numerals in modern mathematics thanks to Muhammad ibn Musa al-Khwarizmi.
What are Arabic Numerals?
Ennea-body know? An enneadecagon has this many sides.
What is 19?
(Touchdown - Layup)!
What is 24?
(6-2)! = 4! = 4x3x2x1
"A" might be the first letter of the alphabet, but number-wise it doesn't occur until this number.
What is One Thousand?
CCLIV
What is 254?
From the Arabic word sifr meaning "empty", the word cipher was used in lieu of this number until approximately 1598.
What is Zero?
In computer animation, this word means 1/100th of a second. In my house, it means someone is making popcorn on the stovetop!
What is a Jiffy?
Summation of the factors of the conversion factor of inches in a foot.
What is 28?
1+2+3+4+6+12
If you re-wrote numbers alphabetically, these numbers would come first and last.
What are Eight and Zero?
MM minus DCC
What is 1300? (2000-700)
From the Latin word lemniscatus meaning "ribbon", a lemniscate is this mathematical symbol.
What is an Infinity Sign?
In Israel, a small inverted "T" replaces this operative symbol.
What is a Plus Sign?