Math
What is the only even prime number?
2
What scandal forced former US president Richard Nixon to resign in 1974?
Watergate scandal
Optics is the study of what?
Light
How many ghosts visit Scrooge in A Christmas Carol?
4
(Ghost of Jacob Marley, of Christmas past, of Christmas present, and of Christmas yet-to-come)
What are dried plums commonly known as?
Prunes
What is the only number that does not have a Roman numeral?
0
Which actress married the Prince of Monaco in 1956?
Grace Kelly
In social sciences, what is it called when an individual doesn't offer to help someone in an emergency if there are other people present?
Bystander effect
What is the name of Tom Sawyer's best friend in The Adventures of Tom Sawyer?
Huckleberry Finn
What is the world's largest ocean?
Pacific ocean
How many edges does a cube have?
12
What is the longest war in US history?
Afghan War (19 years and 10 months)
Which instrument is used to measure the speed of wind?
Anemometer
Director, Greta Gerwig, directed a live-adaption movie of which Louisa May Alcott novel in 2019?
Little Women
What does COO stand for?
Chief operating officer
What is the symbol for a square root called?
Radical
John Wilkes Booth assassinated which US president?
Abraham Lincoln
Which element is represented by Fe on the periodic table of elements?
Iron
Which children's novel features the characters Tweedledee and Tweedledum?
Alice Through the Looking Glass
Which two US states don't observe daylight savings time?
Hawaii and Arizona
What formula represents the Pythagorean theorem?
a2 + b2 = c2
Jonas Salk is credited with inventing the first effective what?
Polio vaccine
What formula is used to calculate speed in physics?
Speed = distance / time
What to the initials in J. D. Salinger stand for, the author of The Catcher in the Rye?
Jerome David