What is the speed of sound in miles per hour?

What is the smallest perfect number?

How many degrees are in a right angle?

What number is considered lucky in Chinese culture?

What is the largest single-digit number?

How many sides does a stop sign have?

Which lucky number is considered unlucky in Japan because it sounds like the word for death?

What is the atomic number of gold?

How many cards are in a standard deck (without jokers)?

How many players are on a standard soccer/football team during a match?

What number is considered lucky in Ireland?

How many zeros are in a googol?

How many minutes are in 24 hours?

What number is considered unlucky in Western culture?

What number jersey did Michael Jordan famously wear?

What number is associated with a baker's dozen?

How many bones are in the adult human body?

How many days are in a leap year?

How many lives is a cat said to have?

What is the only number that cannot be represented in Roman numerals?