Pi- day Quiz

Who am I ?

• I am a non-repeating decimal value.

• I am an irrational

• I am a rational number

Among the digits of pi currently known, the concentrations of each of the digits 0 - 9 are pretty much equal. However, in the first 30 digits of pi's decimal expansion, one number is conspicuously missing. Which number is it? 

• 2

• 5

• 0

• 7

Which of the following are the earliest known reference(s) to pi

• The Rosetta Stone and Bible

• A Middle Kingdom papyrus scroll,   by Ahmes the scribe

• Babylonian and Egyptian texts 

• Homer’s Illiad 

Are pi's digits periodic? 

• Yes; the digits repeat themselves after   every 6000 decimal places.

• Maybe; not enough digits of pi have yet    been calculated to know if they start   eventually repeating themselves.

• Yes; every infinitely long number has to   start repeating itself sometime.

• No; every periodic number is rational, but   pi is irrational.

Pi is named after a letter of which alphabet?

• Greek

• Latin

• German

• Pali

Who, in 1706, first gave the Greek letter "pi" its current mathematical definition?

• Isaac Newton
• William Jones
• Napoleon Bonaparte
• Archimedes

Who was the first one to calculate the approximate value of π (pi) ?

• Archimedes

• Johannes Kepler

• Pythagoras

• Euclid

There is a lawn which has a shape of a semicircle. If the diameter is 7m,then find the perimeter of the lawn.(Take pi =22/7)

• 29m

• 28m

• 18m

• 11m

The___________ of a circle is slightly more than three times as long as its_____________. The exact ratio is called π.

• diameter, radius

• circumference, radius

• diameter, circumference

• circumference, diameter

Who calculated the area of a circle by taking the value of Pi equal to 3?

• Babylonians

• Archimedes

• Aryabhata

• None of the above