**Last Updated**: 31 March 2021

All of us use maths in our day-to-day activities without realizing it.

From purchasing something to saving your monthly pocket money, to measure quantities while cooking or selling a thing. We take the help of numbers every time, meaning we use maths to solve our problems and make our life easy.

Although we use maths we don’t know what and who invented or discovered in the field of mathematics. This blog has all the Important Maths question that you may find useful.

Let us look at some of the GK Questions and Answer on Maths and expand your learning.

**GK** **Maths Question And Answer**

**1. Most famous Theorem of Triangles in Geometry?**

**Answer:** Pythagoras Theorem

**2. How many Faces are there in a Pyramid?**

**Answer:** 4

**3. Roman Number of 400?**

**Answer:** CD

**4. Roman Number of 500?**

**Answer:** D

**5. Roman Number of 600?**

**Answer:** DC

**6. Roman Number of 900?**

**Answer:** CM

**7. Roman Number of 1000?**

**Answer:** M

**8. Angles greater than 90 degrees but less than 180 degrees are called?**

**Answer:** Obtuse angles

**9. How many sides are there in a Heptagon?**

**Answer:** 7

**10. Solid shape that has four equal triangles?**

**Answer:** Tetrahedron

**11. What part of a Revolution have you turned through if you stand facing west and turn clockwise to face South?**

**Answer:** ¾

**12. Who discovered ∮ Contour Integral sign?**

**Answer:** Arnold Sommerfeld

**13. Who discovered Existential Quantifier ∃ (there exists)?**

**Answer:** Giuseppe Peano

**14. Who invented ± Plus-Minus sign?**

**Answer:** William Oughtred

**15. Father of Cryptology?**

**Answer:** Leon Battista Alberti

**16. What is the shape of a Brick in India?**

**Answer:** Cuboid

**17. Where did the “Magic Square” originate?**

**Answer:** Ancient China

**18. Which movie is based on Srinivasa Ramanujan?**

**Answer:** The Man Who Knew Infinity

**19. Number between 50 and 60, which is a multiple of 7 and 8?**

**Answer:** 56

**20. Who invented ∇ Nabla symbol?**

**Answer:** William Rowan Hamilton

**21. Who is known as Human Computer?**

**Answer:** Shakuntala Devi

**22. Name of the symbol φ ?**

**Answer:** Golden ratio

**23. Name of the symbol Δ ?**

**Answer:** Delta

**24. How many Centimeter make a Decameter?**

**Answer:** 1000

**25. What is the name of the following sequences 0,1,1,2,3,5,8….?**

**Answer:** The Fibonacci Sequences

**26. Who discovered “/” Division Slash (solidus)?**

**Answer:** Thomas Twining

**27. Ashok has an equal number of one rupee, five rupees, and 10 rupees notes. If he has ₹320 with him, what will be the number of each rupee notes?**

**Answer:** 20

**28. What is the other name of Perimeter of a Circle?**

**Answer:** Circumference

**29. Who discovered Proportionality Sign ∝ ?**

**Answer:** William Emerson (1768)

**30. Who discovered partial differential sign ∂ (curly d or Jacobi’s delta)?**

**Answer:** Marquis de Condorcet**Related: Exponents And Powers Multiple Choice Questions (CBSE & ICSE)**

**31. Who discovered Partial Derivatives?**

**Answer:** Adrien-Marie Legendre (1786)

**32. Who discovered Gamma-Function “Γ” ?**

**Answer:** Leonhard Euler

**33. Who discovered Laplace Transform?**

**Answer:** Pierre-Simon Laplace

**34. Who invented Factorial symbol “!” ?**

**Answer:** Christian Kramp

**35. Who said the phrase “There is no permanent place in the world for ugly mathematics”?**

**Answer:** Godfrey Harold Hardy

**36. Who is the Father of**

**Analytic Geometry**?**Answer:** René Descartes and Pierre de Fermat

**37. Who invented Parentheses ( ) ?**

**Answer:** Niccolò Tartaglia

**38. Who invented “∫” Integral sign?**

**Answer:** Gottfried Leibniz

**39. Who discovered Matrix Notation […] ?**

**Answer:** Gerhard Kowalewski

**40. Who is the “Father of Mathematics”?**

**Answer:** Archimedes

**41. Name of the polygon that has 15 sides?**

**Answer:** Pentadecagon

**42. Who discovered an easy method to find all the Prime Numbers?**

**Answer:** Eratosthenes

**43. What is the average of first 50 Natural Numbers?**

**Answer:** 25.5

**44. What is an angle greater than 180 degrees but less than 360 degrees called?**

**Answer:** Reflex angle

**45. The Smallest Perfect Number?**

**Answer:** 6 (Six)

**46. Who invented the Radical symbol √ ̅ ( square root)?**

**Answer:** René Descartes

**47. Mr. Harold ranked 7th from the top and 26th from the bottom, How many students are there in the class?**

**Answer:** 32

**48. Who discovered ” ∀ ” universal quantifier (for all)?**

**Answer:** Gerhard Gentzen

**49. A number between 30 and 50 which is a common multiple of 6 and 8. What is the number when it is added to 45?**

**Answer:** 93

**50. Roman Number of 40?**

**Answer:** XL

Find Mathematics General Knowledge Questions And Answers PDF here.

**51. What is t**

**he Line called which cuts a pair of Parallel lines?****Answer:** Transversal

**52. Who developed Chinese Remainder Theorem?**

**Answer:** Sun Tzu**Related: Area And Perimeter Multiple Choice Questions**

**53. Who developed Descartes’ Theorem?**

**Answer:** René Descartes in 1643

**54. Who created the Theory of Probability?**

**Answer:** Blaise Pascal and Pierre de Fermat

**55. Who was the first person to use Algebra for solving Astronomical Problems?**

**Answer:** Brahmagupta (7th century)

**56. Which equation was solved by Rafael Bombelli using Imaginary numbers?**

**Answer:** Cubic equations in 1572

**57. Who discovered Binomial Theorem?**

**Answer:** Al-Karaji

**58. Who discovered Divergence Theorem?**

**Answer:** Joseph Louis Lagrange

**59. Who discovered Taylor Series?**

**Answer:** Brook Taylor in 1712

**60. Calculate the Rate of Interest for**

**a certain sum of money that becomes 5 times its principal Amount in 10 years?****Answer:** 40%

**61. Which Theorem did André-Marie Ampère discovered in 1825 ?**

**Answer:** Stokes’ theorem.

**62. Who developed Analytic number theory?**

**Answer:** Peter Gustav Lejeune Dirichlet

**63. Which problem was solved by Jean le Rond d’Alembert in 1747?**

**Answer:** Vibrating string problem (one-dimensional wave equation)

**64. Who proved the fundamental Theorem of Arithmetic?**

**Answer:** Euclid (sometimes called Euclid of Alexandria)

**65. Who proved that the value of π lies between 3 + 1/7 (approx. 3.1429) and 3 + 10/71 (approx. 3.1408)?**

**Answer:** Archimedes (260 BC)

**66. Which theorem did Thomas Bayes proved in 1761?**

**Answer:** Bayes’ theorem

**67. Who Proved that “π” Pi is Irrational?**

**Answer:** Johann Heinrich Lambert

**68. Which Numerals have been modified by Arab mathematicians to form the modern Arabic Numeral system?**

**Answer:** Indian Numerals

**69. Which formulae did Al-Batani in AD 975 derive after extending the Indian concepts of sine and cosine to other trigonometrical ratios, like a tangent, secant, and their inverse functions?**

**Answer:**

**70. Which rule did Shridhara (A.K.A**

**Sridharacharya**from India) gave?**Answer:** Volume of a sphere and the formula for solving quadratic equations

**71. Who first introduced the Trigonometric Functions (sine and cosine) and methods of calculating their Approximate Numerical Values?**

**Answer:** Aryabhata

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