by alex
Pi, the enigmatic and infinite number, has fascinated mathematicians and enthusiasts for centuries. This quiz will challenge your memory and understanding of Pi’s first 100 digits and some intriguing facts about this mathematical marvel. Get ready to put your Pi knowledge to the test and see how well you can recall and recognize the digits of this famous constant. Let’s dive into the world of Pi and have some fun!
100 Digits of Pi Quiz Questions Overview
1. What is the first digit of Pi after the decimal point?
1
3
4
5
2. What is the 10th digit of Pi after the decimal point?
3
8
9
7
3. How many digits of Pi are known as of 2021?
1 million
10 million
50 trillion
31.4 trillion
4. Which famous mathematician is known for calculating Pi to many decimal places in the 3rd century BC?
Euclid
Archimedes
Pythagoras
Eratosthenes
5. What is the symbol for Pi?
α
β
π
σ
6. Pi is the ratio of a circle’s circumference to its what?
Radius
Diameter
Area
Chord
7. Which day is celebrated as Pi Day?
March 14
April 3
May 14
June 28
8. What is the 50th digit of Pi after the decimal point?
0
1
5
9
9. Pi is known as an irrational number. What does this mean?
It cannot be expressed as a fraction
It is a whole number
It is a repeating decimal
It is a negative number
10. Which of the following is NOT a digit in the first 100 digits of Pi?
0
2
5
6
