100 Must-Know Maths GK Questions with Answers

Hello everyone!

Is maths your favourite subject, or does it make you a little nervous? Either way, you’ve landed at the perfect place! Maths is not just about big calculations and scary formulas. It’s a fun game of logic, puzzles, and amazing facts.

Whether you’re a school student preparing for exams, getting ready for a competitive test, or just love a good brain teaser, this maths quiz is for you. We have put together 100 general knowledge maths questions that are perfect for students and anyone looking to sharpen their mind.

So, grab a pen and paper, and let’s see how many of these basic maths questions you can answer. Let’s dive in!

Section 1: Basic Maths MCQ with Answers

Let’s start with some multiple-choice questions. These are the kind of maths mcq questions you see in many exams. Just pick the right option!

1. What is the only prime number that is even? a) 0 b) 1 c) 2 d) 4
2. Who is called the “Father of Mathematics”? a) Euclid b) Pythagoras c) Archimedes d) Aryabhata
3. What is the value of Pi (π) that we commonly use in problems? a) 3.12 b) 3.14 c) 3.16 d) 3.18
4. A ‘heptagon’ is a shape with how many sides? a) 5 b) 6 c) 7 d) 8
5. In Roman numerals, what does the letter ‘C’ stand for? a) 50 b) 100 c) 500 d) 1000
6. Which of these numbers is a ‘perfect square’? a) 140 b) 144 c) 148 d) 152
7. What is the total of all angles inside a triangle? a) 90° b) 180° c) 270° d) 360°
8. Which great Indian mathematician gave the world the concept of ‘zero’ (Shunya)? a) Aryabhata b) Brahmagupta c) Ramanujan d) C.R. Rao
9. A millennium is a period of how many years? a) 10 years b) 100 years c) 1000 years d) 10,000 years
10. What is the correct formula to find the area of a circle? a) 2πr b) πr2 c) 2πr2 d) πd

Answers for Section 1

1. c) 2
2. c) Archimedes
3. b) 3.14
4. c) 7
5. b) 100
6. b) 144
7. b) 180°
8. b) Brahmagupta
9. c) 1000 years
10. b) πr2

Section 2: Maths Fill in the Blanks

Time to fill in the gaps! This section will test your memory of important math terms.

11. A shape with 8 sides is called an ________.
12. The number system we use every day is the ________ number system.
13. The distance around a circle is called its ________.
14. A number that can be divided only by 1 and itself is a ________ number.
15. The famous ancient Indian maths book ‘Lilavati’ was written by ________.
16. The answer you get after multiplying two numbers is called the ________.
17. A four-sided shape with all sides equal and all angles 90 degrees is a ________.
18. There are ________ seconds in one hour.
19. Any number raised to the power of zero is always ________.
20. The line from the center of a circle to its edge is the ________.

Answers for Section 2

11. Octagon
12. Decimal
13. Circumference
14. Prime
15. Bhaskara II
16. Product
17. Square
18. 3600
19. 1
20. Radius

Section 3: True or False? Maths Facts

Are these statements correct (True) or incorrect (False)? Think carefully!

21. Zero is considered a positive number.
22. If you add two odd numbers, the answer is always even.
23. Pi (π) is a rational number.
24. A leap year comes every 4 years.
25. A decagon is a shape with 12 sides.
26. All prime numbers are odd, except for the number 2.
27. The square root of 25 is 6.
28. Two parallel lines will never cross each other.
29. The number 1 is a prime number.
30. The Pythagoras theorem can be used for any triangle.

Answers for Section 3

21. False
22. True
23. False (it’s irrational)
24. True
25. False (it has 10 sides)
26. True
27. False (it’s 5)
28. True
29. False
30. False (only for right-angled triangles)

Section 4: Quick Maths Questions (One-Word Answers)

Let’s speed things up! Give the answer in just one word or a number.

31. How many zeroes are there in one crore?
32. What is the next prime number after 13?
33. What tool from your geometry box is used to measure angles?
34. What do we call a shape with three sides?
35. What is the smallest ‘perfect number’?
36. What is the value of ‘giga’, like in gigabytes (GB)?
37. How many degrees make a complete circle?
38. What is the mathematical name for the shape of a dice?
39. What is the longest chord in a circle called?
40. What is 50% of 250?

Answers for Section 4

31. 7
32. 17
33. Protractor
34. Triangle
35. 6
36. Billion (109)
37. 360
38. Cube
39. Diameter
40. 125

Section 5: Fun with Numbers Quiz

This section is all about the magic and properties of different numbers.

41. What are the first five numbers in the famous Fibonacci series (starting from 0)?
42. What is the Roman numeral for the number 50?
43. What is a Googol?
44. Which number is famous as the Ramanujan-Hardy number?
45. Which number is spelled with its letters in alphabetical order?
46. Numbers like 1, 3, 6, 10, 15 are known as what kind of numbers?
47. What is the value of Avogadro’s number, used in chemistry?
48. What do you call a number that reads the same forwards and backwards, like 121?
49. How many prime numbers are there between 1 and 100?
50. What is the opposite of a negative number?

Answers for Section 5

41. 0, 1, 1, 2, 3
42. L
43. 1 followed by 100 zeroes
44. 1729
45. Forty
46. Triangular numbers
47. Approx. 6.022×1023
48. Palindrome
49. 25
50. Positive number

Section 6: Geometry GK for Students

Let’s test your knowledge of shapes, lines, and angles.

51. A shape with five sides is called a ________.
52. The corner of a shape is also known as its ________.
53. What do you call a triangle that has two equal sides?
54. How many flat faces does a cube have?
55. What is the 3D shape of a football?
56. The branch of mathematics that deals with shapes is ________.
57. In a right-angled triangle, what is the longest side called?
58. What is the formula to find the volume of a box (cuboid)?
59. An angle that is less than 90 degrees is an ________ angle.
60. How many edges does a pyramid with a square base have?

Answers for Section 6

51. Pentagon
52. Vertex
53. Isosceles triangle
54. 6
55. Sphere
56. Geometry
57. Hypotenuse
58. Length × Width × Height
59. Acute
60. 8

Section 7: History of Mathematics Questions

Let’s travel back in time with these history of maths questions.

61. In which ancient country did the concept of zero originate?
62. Which ancient civilization gave us the 60-second minute and 60-minute hour?
63. What is the name of the famous book on geometry written by the Greek mathematician Euclid?
64. What is the name of the super-fast calculation system from ancient India?
65. Who invented logarithms to make big calculations easier?
66. The pyramids were built by which civilization that used hieroglyphs for numbers?
67. The abacus was an early form of a ________.
68. The word ‘algebra’ comes from which language?
69. Who is credited with inventing the coordinate system (the x and y-axis on a graph)?
70. Which ancient Indian text contains the earliest and most detailed rules of geometry for building altars?

Answers for Section 7

61. India
62. Babylonians
63. ‘Elements’
64. Vedic Maths
65. John Napier
66. Ancient Egyptians
67. Calculator
68. Arabic
69. René Descartes
70. Sulbasutras

Section 8: Famous Indian and World Mathematicians

Get to know the superstars of mathematics! This section is great for your maths gk.

71. Who is known as the “Human-Computer” from India for her amazing calculation speed?
72. Which mathematician is famous for his “Last Theorem” that puzzled experts for centuries?
73. Who developed Calculus independently alongside Isaac Newton?
74. Which great Indian astronomer and mathematician from the 5th century calculated Pi’s value very accurately?
75. Who was the brilliant self-taught Indian mathematician who worked on number theory and infinite series?
76. Who is the first and only woman to win the prestigious Fields Medal in mathematics?
77. Which Greek thinker shouted “Eureka!” after a famous discovery in his bathtub?
78. Who is known as the “Father of Geometry”?
79. C. R. Rao, who passed away recently, was a world-famous Indian-American ________.
80. Who wrote the mathematical text ‘Siddhanta Shiromani’?

Answers for Section 8

71. Shakuntala Devi
72. Pierre de Fermat
73. Gottfried Leibniz
74. Aryabhata
75. Srinivasa Ramanujan
76. Maryam Mirzakhani
77. Archimedes
78. Euclid
79. Statistician
80. Bhaskara II

Section 9: Brain-Teasing Maths Riddles

Ready for some fun? These maths riddles will make you think in new ways!

81. I am an odd number. If you take away one letter from me, I become even. What number am I?
82. What has a face and two hands but can’t walk?
83. If two’s a company and three’s a crowd, what are four and five?
84. Using only addition, how can you add eight 8s to get the number 1,000?
85. A farmer had 17 sheep. All but nine died. How many sheep are left?
86. What is always in the middle of ‘gravity’?
87. Which month of the year has 28 days?
88. I am a three-digit number. My second digit is 4 times bigger than the third. My first digit is 3 less than my second. What number am I?
89. When you multiply me by any number, the answer is always me. What number am I?
90. A man is twice as old as his son. 20 years ago, he was 12 times his son’s age. How old are they now?

Answers for Section 9

81. Seven (S-even)
82. A clock
83. Nine
84. 888+88+8+8+8=1000
85. Nine
86. The letter ‘v’
87. All of them
88. 141
89. Zero
90. Man is 44, Son is 22.

Section 10: Maths in Daily Life Questions

Math is everywhere! Here are some practical, everyday math problems.

91. A t-shirt costs ₹500. If there is a 20% discount, what is the final price?
92. If you are travelling at a speed of 60 km/h, how long will it take to go 180 km?
93. A recipe for 12 cookies needs 2 cups of flour. How much flour do you need for 30 cookies?
94. If you deposit ₹10,000 in a bank at a simple interest of 5% per year, how much interest will you get after one year?
95. You buy vegetables for ₹45, milk for ₹25, and bread for ₹30. How much change will you get back from a ₹200 note?
96. What is the area of a rectangular room that is 15 feet long and 10 feet wide?
97. In a cricket match, a team scores 240 runs in 40 overs. What is their average run rate?
98. How many 250 ml glasses of water can you fill from a 2-litre bottle?
99. If your monthly pocket money is ₹3,000 and you save 15%, how much do you save?
100. A movie starts at 6:45 PM and is 2 hours and 30 minutes long. What time will it end?

Answers for Section 10

91. ₹400
92. 3 hours
93. 5 cups
94. ₹500
95. ₹100
96. 150 square feet
97. 6 runs per over
98. 8 glasses
99. ₹450
100. 9:15 PM

Conclusion

So, how did you do?

Whether you got 10 right or all 100, the main thing is that you had fun and learned something new. Maths is a skill that gets better with practice, just like playing cricket or learning a new dance.

Keep practicing, stay curious, and you’ll find the world of numbers is full of amazing secrets. Bookmark this page for the best maths gk questions and be sure to share this fun quiz with your friends and family!