The Pi Trivia Game

Home : Pi : The Pi Trivia Game

Finally this is your chance to pay tribute to the magnificent transcendental number that we have all grown to love! Here are 25 questions (given to you 5 at a time), picked randomly from my pi question database. Get ready for the thrill of your lifetime, the ultimate challenge, The Pi Trivia Game!

1. Pi shows up many places in physics, including simple harmonic motion. Given a simple pendulum of length h, what is the period for a small oscillation (the period is the time it takes to complete one full oscillation)?

3c/(pi*h^2), where c is the speed of light
2*pi*sqrt(h/g), where g is the gravitational constant
e^(pi*h), where e is the base of the natural logarithm
h/pi
(27*pi^2)/(h*[g^2]*[e*c]^3)

2. In 1949, a digital computer was first used to calculate pi. To how many decimal places was this computer, ENIAC (Electronic Numerical Intergrator and Computer), able to find pi (it took 70 hours)?

10,493
576
2037
8331
297,454

3. Which of the following binary numbers is closest in value to pi:

11.0010010000111111
101.110101000111100
10.0001101010110100
1.10111011010010011
111.010111101011111

4. If one were to find the circumference of a circle the size of the known universe, requiring that the circumference be accurate to within the radius of one proton, how many decimal places of pi would need to be used?

2 million
39
11
48,000
300

5. In what year were the first 100 digits of pi first calculated?

48 BC
1947
1492
1701
1812

eve@eveandersson.com