Answer: Archimedes
2. Who discovered Zero (0)?
Answer: Aryabhatta, AD 458
Explanation: Aryabhatta invented zero but he didn’t give any symbol for zero, Brahmagupta was the first to give a symbol for zero and rules to compute with zero.
4. When is Pi Day celebrated around the world?
Answer: March 14
5. Who discovered the laws of the lever and pulley?
Answer: Archimedes
6. Scientist who was born on Pi Day?
Answer: Albert Einstein
7. Who discovered Pythagoras Theorem?
Answer: Pythagoras of Samos
8. Who discovered the Symbol Infinity “∞”?
Answer: John Wallis
9. Father of Algebra?
Answer: Muhammad ibn Musa al-Khwarizmi (Persian Mathematician)
10. Who discovered Fibonacci Sequence?
Answer: Leonardo Pisano Bigollo
11. First person to use the Greek letter pi (π) to denote the constant?
Answer: William Jones in 1706
12. Who discovered Logarithms and the Decimal point?
Answer: John Napier
13. Who invented the equals sign (=) ?
Answer: Robert Recorde
14. Who invented the Slide rule?
Answer: William Oughtred
15. Who invented Protractor?
Answer: Joseph Huddart
16. Who discovered the center of gravity?
Answer: Archimedes
17. Where was Abacus invented?
Answer: China
18. Who created the symbol ‘e’ ?
Answer: Leonhard Euler
19. Which Greek Mathematician was killed by Romans during the capture of Syracuse?
Answer: Archimedes
20. Who developed an easy method to find out all the Prime Numbers?
Answer: Eratosthenes
21. Euler’s Formula?
Answer: Euler discovered two Important formulas
1) F + V = E + 2
2) e ix = cos x + i sin x
22. Father of Trigonometry?
Answer: Hipparchus
23. Father of Science?
Answer: Galileo Galilei
24. Who discovered Line Graph, Bar Chart, Circle Graph?
Answer: William Playfair
25. Who discovered ∇ (delta)?
Answer: William Rowan Hamilton
26. Who invented Boolean Algebra?
Answer: George Boole in 1847
27. Who invented Unknown or variable quantities x, y, z ?
Answer: René Descartes
28. Who discovered Graph Theory?
Answer: Leonhard Euler
29. Value of Napier’s constant ‘e’ ?
Answer: e ≈ 2.71828
30. Write the next number of the following Sequences 1, 1, 2, 3, 5, 8, 13,_?
Answer: 21
31. Who invented Unit Vectors i, j, k ?
Answer: William Rowan Hamilton
32. Who created the BODMAS rule?
Answer: Achilles Reselfelt
33. Who discovered the Square Root symbol √ ?
Answer: Christoph Rudolff
34. Who invented Statistical Graph?
Answer: William Playfair
35. Who is considered as the Father of Calculus?
Answer: Isaac Newton and Gottfried Leibniz
36. Who is the Father of Analytic Geometry?
Answer: René Descartes and Pierre de Fermat
37. Which numbers were believed to Promote Love?
Answer: Amicable numbers
38. Who Developed Taylor series expansions of Trigonometric Functions?
Answer: Madhava of Sangamagrama
39. Who discovered the Law of gravity?
Answer: Sir Isaac Newton
40. Who created ” i ” (√-1) as an Imaginary Number?
Answer: Leonhard Euler
41. Who discovered Multiplication?
Answer: William Oughtred
42. Father of Geometry?
Answer: Euclid of Alexandria (Commonly known as Euclid)
43. Who constructed the first Trigonometric Table?
Answer: Hipparchus
44. Who discovered Hyperbolic Sine and cosine “Sinh and Cosh”?
Answer: Vincenzo Riccati
45. Mathematical device that has Beads?
Answer: Abacus
46. Who discovered Derivatives?
Answer: Gottfried Leibniz
47. Who discovered Differential Equations dx ?
Answer: Gottfried Leibniz
48. Who discovered Summation ∑ ?
Answer: Srinivasa Ramanujan
49 Who discovered the Product sign ∏ ?
Answer: Carl Friedrich Gauss
50. Which Symbol did Karl Weierstrass Invent?
Answer: |x|
51. What do we call people who have a “Fear of Numbers” ?
Answer: Numerophobia
52. Name of the symbol ∇ ?
Answer: Nabla
53. Who introduced the term “function” in Mathematics?
Answer: Gottfried Wilhelm Leibniz
54. Who introduced the notation for a function y = f(x)?
Answer: Leonhard Euler
55. Name of the symbol ≡ ?
Answer: Equivalence Relation and Modulus
56. Name of the Symbol ( ) ?
Answer: Parentheses
57. Name of the Symbol ⊥ ?
Answer: Perpendicular
58. What is the other name of Multiplication Sign “X” ?
Answer: Times Sign
59. Name of the Symbol ≜ ?
Answer: Equal by definition
60. Name of the Symbol ∑ ?
Answer: Sigma
61. Name of the Symbol ∏ ?
Answer: Capital Pi
62. Name of the Symbol φ ?
Answer: Golden ratio
63. Name of the Symbol ⇒ ?
Answer: Implies
64. Name of the Symbol ∴ ?
Answer: Therefore
65. Who discovered the empty set sign ∅ (null)?
Answer: André Weil
66. What Number that is twice the sum of their digits (other than zero)?
Answer: 18
67. Which is the only even Prime Number?
Answer: 2
68. Roman Number of 100?
Answer: C
69. Which is the smallest Perfect Number?
Answer: 6
70. Who discovered + and – ?
Answer: Johannes Widman
71. Who discovered intersection ∩ and union ∪ ?
Answer: Giuseppe Peano
72. Which is the only number that cannot be used as a Divisor?
Answer: Zero
73. Who is known as the prince of Mathematics in India?
Answer: Srinivasa Ramanujan
74. Who said the phrase “Number rules the Universe”?
Answer: Pythagoras
75. Which number is Known as Ramanujan-Hardy Number?
Answer: 1729
76. What is the name of the number system with base 2?
Answer: Binary
77. Who discovered the identity sign ≡ (for congruence relation)?
Answer: Carl Friedrich Gauss
78. Which number system does not have the symbol for zero?
Answer: Roman Numerals
79. Who discovered Number Line?
Answer: John Wallis
80. Who discovered strict inequality signs < and > ?
Answer: Thomas Harriot
81. What number do we get when we multiply all of the numbers on a Telephone Number Pad?
Answer: Zero
82. Who discovered the division sign ÷ ?
Answer: Johann Rahn
83. Who discovered the ⌊x⌋ greatest integer ≤ x (floor) and ⌈x⌉ smallest integer ≥ x (ceiling)?
Answer: Kenneth E. Iverson
84. What is the name for the longest side of a Right Angled Triangle?
Answer: Hypotenuse
85. Which number does not have a Reciprocal?
Answer: zero
86. Who discovered Mathematical Induction?
Answer: Giovanni Vacca
87. What Phobia is the fear of Numbers?
Answer: Arithmophobia
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