**National Pi Day**, celebrated annually on **March 14th**, honors the **mathematical constant π (pi),** representing the ratio of a circle’s circumference to its diameter. This year, as we commemorate Pi Day 2024, let’s dive into a fun and enlightening quiz to test your general knowledge about this intriguing mathematical concept and related trivia.

## National Pi Day 2024

**National Pi Day**, celebrated annually on **March 14th**, commemorates the mathematical **constant π (pi**). It was established in **1988 by Larry Shaw**, a staff member at the **Exploratorium in San Francisco.** The date, **3/14**, aligns with the first three **significant figures of π: 3, 1, and 4.** This day gained recognition when the US House of Representatives voted in favor of it in 2009. Activities such as pie-eating contests and pi-recitation competitions are popular ways to celebrate. Additionally, in **November 2019, UNESCO declared Pi Day** as the **International Day of Mathematics during its 40th General Conference**.

## General Knowledge (GK) Quiz on National Pi Day 2024

**National Pi Day**, celebrated annually on **March 14th**, commemorates the mathematical constant π (pi). It was established in 1988 by Larry Shaw, a staff member at the Exploratorium in San Francisco. Check your knowledge about mathematical constant π (pi) with our GK Quiz on National Pi Day 2024.

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**Q1. What is the numerical value of Pi (π)?**

a) 3.14

b) 2.71

c) 4.13

d) 1.86

**S1. Ans. (a)**

**Q2. Who is credited with the first calculation of Pi?**

a) Isaac Newton

b) Archimedes

c) Pythagoras

d) Albert Einstein

**S2. Ans. (b)**

**Q3. What does the mathematical constant π represent?**

a) Ratio of a circle’s radius to its circumference

b) Ratio of a circle’s diameter to its circumference

c) Ratio of a circle’s diameter to its area

d) Ratio of a circle’s circumference to its diameter

**S3. Ans. (d)**

**Q4. What fraction is commonly used as an approximation for pi?**

a) 3/4

b) 22/7

c) 1/2

d) 3/5

**S4. Ans. (b)**

**Q5. What is the date for Pi Approximation Day?**

a) March 22nd

b) July 22nd

c) August 22nd

d) September 22nd

**S5. Ans. (b)**

**Q6. Which film directed by Darren Aronofsky features the mathematical constant pi?**

a) Inception

b) The Matrix

c) Pi

d) Interstellar

**S6. Ans. (c)**

**Q7. Pi is commonly used in which field of mathematics?**

a) Algebra

b) Calculus

c) Trigonometry

d) All of the above

**S7. Ans. (c)**

**Q8. Who is considered the father of Pi Day?**

a) Albert Einstein

b) Larry Shaw

c) Isaac Newton

d) Pythagoras

**S8. Ans. (b)**

**Q9. In what year did Google release a Google Doodle to honor Pi Day?**

a) 2008

b) 2009

c) 2010

d) 2011

**S9. Ans. (c)**

**Q10. What is the relationship between the circumference (C) and diameter (d) of a circle, represented by Pi?**

a) C = d/π

b) C = πd

c) C = πd^2

d) C = d^2/π

**S10. Ans. (b)**