Maths MCQs free online test


NOTE: Answers are given at the end of this post.


1. What is the value of π (pi) to two decimal places?

    A. 3.12

    B. 3.14

    C. 3.16

    D. 3.18


2. If \( x + 2 = 5 \), what is the value of \( x \)?

    A. 1

    B. 2

    C. 3

    D. 4


3. What is the square root of 144?

    A. 10

    B. 11

    C. 12

    D. 13


4. What is the sum of the angles in a triangle?

    A. 90°

    B. 180°

    C. 270°

    D. 360°


5. What is 25% of 200?

    A. 25

    B. 50

    C. 75

    D. 100


6. If a circle has a radius of 7 cm, what is its diameter?

    A. 7 cm

    B. 14 cm

    C. 21 cm

    D. 28 cm


7. Simplify:  3(4 + 5) 

    A. 12

    B. 15

    C. 21

    D. 27


8. Solve for ( y ):  2y - 4 = 10 

    A. 3

    B. 5

    C. 7

    D. 9


9. What is the area of a rectangle with length 5 cm and width 3 cm?

    A. 8 cm²

    B. 15 cm²

    C. 20 cm²

    D. 25 cm²


10. If \( 4x = 32 \), what is \( x \)?

    A. 6

    B. 7

    C. 8

    D. 9


11. Convert 0.75 to a fraction.

    A. 1/2

    B. 2/3

    C. 3/4

    D. 4/5


12. What is the value of 2^3 ?

    A. 4

    B. 6

    C. 8

    D. 10


13. What is the perimeter of a square with a side length of 5 cm?

    A. 10 cm

    B. 15 cm

    C. 20 cm

    D. 25 cm


14. Solve for z :  z + 7 = 15 

    A. 6

    B. 7

    C. 8

    D. 9


15. What is the greatest common divisor (GCD) of 18 and 24?

    A. 2

    B. 3

    C. 6

    D. 8


16. Convert 150° to radians.

    A. 3 pi / 2

    B. 4 pi / 3

    C. 5 pi / 6

    D. 7 pi / 6


17. What is the value of  5!  (5 factorial)?

    A. 60

    B. 100

    C. 120

    D. 150


18. If  f(x) = 2x + 3 , what is  f(2) ?

    A. 4

    B. 5

    C. 6

    D. 7


19. What is the slope of the line  y = 3x + 2 ?

    A. 1

    B. 2

    C. 3

    D. 4


20. Simplify: 4 / 8

    A. 1 / 4

    B. 1 /3

    C. 1 / 2

    D. 2 / 3


21. What is the volume of a cube with side length 3 cm?

    A. 9 cm³

    B. 18 cm³

    C. 27 cm³

    D. 36 cm³


22. Solve for a :  a/4 = 5 

    A. 15

    B. 20

    C. 25

    D. 30


23. What is the equation of a line that passes through the origin and has a slope of 4?

    A. \( y = 4x \)

    B. \( y = 4x + 1 \)

    C. \( y = 4x - 1 \)

    D. \( y = x/4 \)


24. If  3a + 4 = 19 , what is  a ?

    A. 3

    B. 4

    C. 5

    D. 6


25. What is 8% of 50?

    A. 2

    B. 3

    C. 4

    D. 5


26. What is the value of  7^2 ?

    A. 36

    B. 42

    C. 48

    D. 49


27. What is the median of the following set of numbers: 3, 5, 7, 9, 11?

    A. 5

    B. 7

    C. 9

    D. 11


28. What is the circumference of a circle with a diameter of 10 cm? (Use pi = 3.14 )

    A. 15.7 cm

    B. 20.7 cm

    C. 25.7 cm

    D. 31.4 cm


29. What is the probability of rolling a 3 on a standard six-sided die?

    A. 1/6

    B. 1/5

    C. 1/4

    D. 1/3


30. If a car travels 60 miles in 1.5 hours, what is its average speed?

    A. 40 mph

    B. 45 mph

    C. 50 mph

    D. 60 mph






Here are the answers to the questions:

1. What is the value of π (pi) to two decimal places?
   **B. 3.14**

2. If \( x + 2 = 5 \), what is the value of \( x \)?
   **C. 3**

3. What is the square root of 144?
   **C. 12**

4. What is the sum of the angles in a triangle?
   **B. 180°**

5. What is 25% of 200?
   **B. 50**

6. If a circle has a radius of 7 cm, what is its diameter?
   **B. 14 cm**

7. Simplify: \( 3(4 + 5) \)
   **D. 27**

8. Solve for \( y \): \( 2y - 4 = 10 \)
   **C. 7**

9. What is the area of a rectangle with length 5 cm and width 3 cm?
   **B. 15 cm²**

10. If \( 4x = 32 \), what is \( x \)?
   **C. 8**

11. Convert 0.75 to a fraction.
   **C. 3/4**

12. What is the value of \( 2^3 \)?
   **C. 8**

13. What is the perimeter of a square with a side length of 5 cm?
   **C. 20 cm**

14. Solve for \( z \): \( z + 7 = 15 \)
   **C. 8**

15. What is the greatest common divisor (GCD) of 18 and 24?
   **C. 6**

16. Convert 150° to radians.
   **D. \( \frac{5\pi}{6} \)**

17. What is the value of \( 5! \) (5 factorial)?
   **C. 120**

18. If \( f(x) = 2x + 3 \), what is \( f(2) \)?
   **D. 7**

19. What is the slope of the line \( y = 3x + 2 \)?
   **C. 3**

20. Simplify: \( \frac{4}{8} \)
   **C. \( \frac{1}{2} \)**

21. What is the volume of a cube with side length 3 cm?
   **C. 27 cm³**

22. Solve for \( a \): \( a/4 = 5 \)
   **B. 20**

23. What is the equation of a line that passes through the origin and has a slope of 4?
   **A. \( y = 4x \)**

24. If \( 3a + 4 = 19 \), what is \( a \)?
   **C. 5**

25. What is 8% of 50?
   **A. 4**

26. What is the value of \( 7^2 \)?
   **D. 49**

27. What is the median of the following set of numbers: 3, 5, 7, 9, 11?
   **B. 7**

28. What is the circumference of a circle with a diameter of 10 cm? (Use \( \pi = 3.14 \))
   **D. 31.4 cm**

29. What is the probability of rolling a 3 on a standard six-sided die?
   **A. 1/6**

30. If a car travels 60 miles in 1.5 hours, what is its average speed?
   **C. 40 mph**