1. Who discovered Zero (0)?
Answer: Aryabhatta, AD 458
2. Who discovered the laws of the lever and pulley?
Answer: Archimedes
3. Who is the Father of Mathematics?
Answer: Archimedes
4. Father of Algebra?
Answer: Muhammad ibn Musa al-Khwarizmi (Persian Mathematician)
5. The average of first 50 natural numbers?
Answer: 25.5
6. The value of Pi?
Answer: 3.14159
7. When is Pi Day celebrated around the world?
Answer: March 14
8. Who created the symbol ‘e’ ?
Answer: Leonhard Euler
9. Value of cos 360°?
Answer: 1
10. Angle greater than 180 degrees but less than 360 degrees are called?
Answer: Reflex Angles
11. First person to use the Greek letter pi (π) to denote the constant?
Answer: William Jones in 1706
12. Scientist who was born on Pi Day?
Answer: Albert Einstein
13. Who discovered Pythagoras Theorem?
Answer: Pythagoras of Samos
14. Who discovered the Symbol Infinity “∞”?
Answer: John Wallis
15. Who discovered Fibonacci Sequence?
Answer: Leonardo Pisano Bigollo
16. Who discovered Logarithms and the Decimal point?
Answer: John Napier
17. Who discovered center of gravity?
Answer: Archimedes
18. Who invented the equals sign (=) ?
Answer: Robert Recorde
19. Who invented Slide rule?
Answer: William Oughtred
20. Who invented Unknown or variable quantities x, y, z ?
Answer: René Descartes
21. Who developed an easy method to find out all the Prime Numbers?
Answer: Eratosthenes
22. Which Greek Mathematician was killed by Romans during the capture of Syracuse?
Answer: Archimedes
23. Euler’s Formula?
Answer: Euler discovered two Important formulas
1) F + V = E + 2
2) \( e^{ix} = cos x + i sin x \)
24. Father of Trigonometry?
Answer: Hipparchus
25. Who discovered Line Graph, Bar Chart, Circle Graph?
Answer: William Playfair
26. Who invented Boolean Algebra?
Answer: George Boole in 1847
27. Write the next number of the following Sequences 1, 1, 2, 3, 5, 8, 13,_?
Answer: 21
28. Who discovered Graph Theory?
Answer: Leonhard Euler
29. Who discovered ∇ (delta)?
Answer: William Rowan Hamilton
30. Value of Napier’s constant ‘e’ ?
Answer: e ≈ 2.71828
31. Who invented Unit Vectors i, j, k ?
Answer: William Rowan Hamilton
32. Who discovered the Square Root symbol √ ?
Answer: Christoph Rudolff
33. Who is considered as the Father of Calculus?
Answer: Isaac Newton and Gottfried Leibniz
34. Father of Science?
Answer: Galileo Galilei
35. Who is the Father of Analytic Geometry?
Answer: René Descartes and Pierre de Fermat
36. Which numbers were believed to Promote Love?
Answer: Amicable numbers
37. Who invented Statistical Graph?
Answer: William Playfair
38. Who created BODMAS rule?
Answer: Achilles Reselfelt
39. Who invented Protractor?
Answer: Joseph Huddart
40. Where was Abacus invented?
Answer: China
