2 and 3 Letter Geography
Zero
Aviation
Music
Lets do some math
100
This Morocco city, famous for its namesake hat, goes by these three letters.
what is FEZ?
100
Quite fittingly, in Samoan, this single letter means zero.
What is O?
100
This luxury airline is based out of Dubai.
What is Emirates?
100
This type of work, traditionally three movements long, is scored for a soloist and an orchestra accompanying that soloist.
What is a concerto?
100
This graph represents what type of function?
What is a parabola, quadradic?
200
It's longer name meaning "Our Lady of Peace", this South American country's capital has two words- one is made of two letters and the other is made of three.
What is LA PAZ?
200
A polynomial of this degree will always have at least one real zero and exactly two turns.
What is three?
200
The world's longest flight, which clocks in at an astonishing average of 18 hours and 45 minutes, connecting New York to this Asian city-state.
What is Singapore?
200
This clef, only used by the viola and some wind instruments, is known as the C-Clef
What is the Alto Clef?
200
What are the zeroes of this function?
f(x)=-x2-2x+3
What are x=-3, x=1
300
A pacific island(s) country got rich after podcasts and radio shows started to use .(these two letters), and not .com for their websites.
what is .fm?
300
This civilization, who also created "Al-Jabr", now known as algebra, borrowed 0 from a nearby civilization.
Who are the Arabs (Accept Ummayads, Abbasids)
300
This is the only company to produce a double-decker plane: the A380. 
What is Airbus?
300
This interval between two notes will take you to that same note, but higher up.
What is an octave?
300
Solve for x: (x+1)(x-1)=0
What is x=1,-1
400
This is the airport code for Chicago O'Hare International Airport
What is ORD?
400
This civilization was the first to adopt the number "0" into their math
Who are the Indians?
400
The majority of planes in the sky today have this many engines, with notable exceptions being the A380 and the B747.
What is two?
400
Believe it or not, a flute is part of this instrumental family.
What are woodwinds?
400
This is a shorter way to write 8x7x6x5x4x3x2x1
What is 8! ?
500
This two letter river in Italy sounds like a movie star panda.
What is PO?
500
This is the term for a situation where the gains or losses of one side exactly balance out the gains or losses of the other.
What is a zero-sum game?
500
Because of the European shared airspace agreement, Ryanair, an example of this type of airline, can offer £16 between several European destinations.
What is a budget airline?
500
Often, many of Bach's compositions are played on a harpsichord, a predecessor to the piano from this musical era, whose name sounds like you should file for bankruptcy.
What is Baroque?
500
Solve for x: 42x=2x
What is x=0?