Mathematics

Question: Which of these numbers did the ancient Egyptians consider to be sacred?

Answer: The ancient Egyptians considered 9 to be a sacred number. They organized their gods into groups of nine; the principal group, headed by sun god Re-Atum, is called the "Great Ennead of Heliopolis."

Question: What is the best way to represent a subset?

Answer: The most effective way of representing subsets is the Venn diagram. Each set or subset is represented by a circle or other shape.

Question: In poker, what are the odds of drawing a royal flush?

Answer: The odds of drawing a royal flush are exceedingly slim, only 649,740 to 1.

Question: How many zeroes are in a googol?

Answer: A googol is 10 raised to the power of 100, or 1 with 100 zeroes after it.

Question: What unit of measurement is used to measure the height of horses and ponies?

Answer: Horses and ponies are measured by hands. A hand is about 4 inches (10.2 centimeters).

Question: What is a polygon with three sides called?

Answer: A polygon with three sides is a triangle.

Question: In Roman numerals, what is represented by the letter C?

Answer: C stands for centum, or 100 in Latin, as in our word century.