50 GK Question on Maths With Answer


1. Most famous Theorem of Triangles in Geometry?

Ans. Pythagoras’ Theorem

2. How many Faces are there in a Pyramid?

Ans. 4

3. Roman Number of 400?

Ans. CD

4. Roman Number of 500?

Ans. D

5. Roman Number of 600?

Ans. DC


6. Roman Number of 900?

Ans. CM

7. Roman Number of 1000?

Ans. M

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

Ans. Obtuse angles

9. How many sides are there in a Heptagon?

Ans. 7

10. Solid shape that has four equal triangles?

Ans. Tetrahedron

14. Who invented ± Plus-Minus sign?

Ans. William Oughtred

15. Father of Cryptology?

Ans. Leon Battista Alberti

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

Ans. Cuboid

17. Where did the “Magic Square” originate?

Ans. Ancient China

18. Which movie is based on Srinivasa Ramanujan?

Ans. The Man Who Knew Infinity

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

Ans. 56

20. Who invented “∇” the Nabla symbol?

Ans. William Rowan Hamilton

21. Who is known as Human Computer?

Ans. Shakuntala Devi

22. Name of the symbol φ ?

Ans. Golden ratio

23. Name of the symbol Δ ?

Ans. Delta

24. How many Centimeters make a Decameter?

Ans. 1000

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

Ans. The Fibonacci Sequences

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

Ans. 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 note?

Ans. 20

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

Ans. Circumference

29. Who discovered the ProportionalitySign ∝ ?

Ans. William Emerson (1768)

30. Who discovered the partial differentialsign ∂ (curly dorJacobi’s delta)?

Ans. Marquis de Condorcet

31. Who discovered Partial Derivatives?

Ans. Adrien-Marie Legendre (1786)

32. Who discovered Gamma-Function “Γ” ?

Ans. Leonhard Euler

33. Who discovered Laplace Transform?

Ans. Pierre-Simon Laplace

34. Who invented the Factorial symbol “!” ?

Ans. ChristianKramp

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

Ans. Godfrey Harold Hardy

36. Who is the Father ofAnalytic Geometry?

Ans. René Descartes and Pierre de Fermat

37. Who invented Parentheses ( ) ?

Ans. Niccolò Tartaglia

38. Who invented “∫” Integral sign?

Ans. Gottfried Leibniz

39. Who discovered Matrix Notation […] ?

Ans. Gerhard Kowalewski

40. Who is the “Father of Mathematics”?

Ans. Archimedes

41. Name of the polygon that has 15 sides?

Ans. Pentadecagon

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

Ans. Eratosthenes

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

Ans. 25.5

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

Ans. Reflex angle

45. The Smallest Perfect Number?

Ans. 6 (Six)

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

Ans. René Descartes

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

Ans. 32

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

Ans. 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?

Ans. 93

50. Roman Number of 40?

Ans. XL

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