STEM
History
Geography
Brain-Teasers
Random
100

What is the biggest bone in the body?

Femur

100

How many women have served on the supreme court?

6

100

The Eiffel Tower was originally intended for what city?

Barcelona
100

What starts with "e" and ends with "e," but only has one letter in it?

An envelope

100
What british author wrote Oliver Twist?
Charles Dickens
200

What is the circumference of a circle with a radius of 5?

~31.42

circumference formula= 2*pi*r

200

What president made Christmas a national holiday?

Ulysses S Grant

200

What is the only country that borders both the Caspian Sea and The Persian Gulf?

Iran

200

What are the next 3 letters in the following sequence: J, F, M, A, M, J, J, A

S, O, N, D: these are the initials of the months

200

What birds eye is larger than its brain?

Ostrich

300

If a cryptocurrency's price increased by 25% one day and then decreased by 20% the next day, what is the overall percentage change in its price?

The overall percentage change is a 0% increase

300

What was the first fast-food chain in America?

KFC

300

This African country has a total of 16 different language

Zimbabwe

300

What can you catch but not throw?

A cold

300
What is the most common letter in the English alphabet?

What is the letter 'E'

400

What is the unit of measurement for magnetic strength?

Tesla

400

In what year did Thailand change it's name from 'Siam' to 'Thailand'? (Closest answer wins)

1939. Closest answer wins. 

400

What state is Mount Rushmore located in? 

South Dakota

400

What common English verb becomes its own past tense by rearranging its letters?

eat

400

What is the USA's national flower?

Rose
500

What does USB stand for?

Universal serial bus

500

Two Astronauts walked the moon in July 1969.  Their names are Neil Armstrong and this other individual:

Buzz Aldrin

500

What is the world’s biggest island?

Greenland

500

What is the car's parking spot number?

| 16 | 06 | 68 | 88 | car | 98 |

Numbers are upside down. 87.

500

What is the top selling car in the USA?

Toyota

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