# Mathematics GK Questions and Answers/ Math Quiz/Important GK Questions in Maths.

1. The unit of measurement of an angle is ————-
2. What is the value of pi rounded to two decimal places?
3. Solve the equation: 3x + 4 = 13
4. What is the square root of 169?
5. 25% of 40 are ————–
6. The value of log (100) is ————
7. What is the volume of a cube with side length 3cm?
8. How many prime numbers are there between 30 and 50?
9. Which is the greatest negative integer?
10. What is the next prime number after 17?
11. The sum of the first 15 odd numbers is ————
12. The sum of the first 20 even numbers is ————-
13. The area of a triangle with base 5cm and height 8cm is ————
14. The area of a rectangle with length 9cm and breadth 4cm is ———
15. Roman numeral of 500 is ————-
16. How many sides are there in an octagon?
17. Which is the smallest perfect number?
18. How many edges does a cube have?
19. The number of days in a leap year is —————-
20. Who invented protractor?
21. Who is known as Father of Trigonometry?
22. What is the perimeter of a square with a side length of 8cm?
23. The smallest two digit prime number is ————
24. How many vertices does a cube have?
25. What is the next square number in the series 1, 4, 9, 16, 25, —-
26. The largest two digit prime number is —————–
27. The sum of first four prime numbers is ———-
28. Pi day is observed on ————-
29. Name the scientist who was born on Pi day?
30. The number of zeroes in one billion is ————–

1. Degree
2. 3.14
3. x = 3
4. 13
5. 10
6. 2
7. 27 cubic cm
8. 5
9. -1
10. 19
11. 225
12. 420
13. 20 square cm
14. 36 square cm
15. D
16. 8
17. 6
18. 12
19. 366 days
20. Joseph Huddart
21. Hipparchus
22. 32cm
23. 11
24. 8
25. 36
26. 97
27. 17
28. March 14
29. Albert Einstein
30. 9