Friday, 14 January 2022

Math GK

1. Who is the Father of Mathematics?
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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