,
1.
If a circle has a radius of 6 cm, what is its area? (Use π = 3.14)
37.68 cm²
75.36 cm²
113.04 cm²
150.72 cm²
2.
What is the volume of a cone with radius 3 and height 4?
8π
12π
16π
24π
3.
If A = {1, 2, 3, 4} and B = {3, 4, 5, 6}, what is (A - B) ∪ (B - A)?
{1, 2, 5, 6}
{1, 2, 3, 4, 5, 6}
{3, 4}
{1, 2, 3, 4}
4.
A bag contains 8 red marbles, 6 blue marbles, and 4 green marbles. Two marbles are drawn at random without replacement. What is the probability that both marbles are of the same color?
11/34
13/51
7/17
29/90
5.
If the average of five numbers is 18, and four of these numbers are 15, 19, 22, and 20, what is the fifth number?
12
14
16
18
6.
If f(x) = x³ - 3x² + 2x - 1, what is f'(2)?
1
2
3
4
7.
If A = {1, 2, 3, 4, 5} and B = {4, 5, 6, 7, 8}, what is |A - B| + |B - A|?
3
5
6
8
8.
In a group of 100 people, 40% are male. If a person is selected at random, what is the probability that the person is female?
0.4
0.5
0.6
0.7
9.
If x + y = 10 and x - y = 4, what is the value of x?
3
5
7
9
10.
If a circle has a diameter of 10 cm, what is its radius?
3 cm
4 cm
5 cm
6 cm
Questions Answered: 0/10