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
