Which of the following is a prime number?
21
23
25
27
Which of the following is a rational number less than 1/2?
1/3
3/2
3/4
5/4
Find the intersection of the sets {1, 2, 3, 4, 5, 6} and {4, 5, 8, 9, 10}.
{4, 5, 6}
{4, 5}
{1, 2, 3}
{5, 6}
Convert 125% into fraction.
1/4
1/5
4/5
Calculate (- 5)2.
10
- 10
- 25
Which of the following is the equivalent fraction for 2/5?
2/10
1/10
6/15
Calculate 27 ÷ 4 1/2.
4
6
12
1/4 of 1/2 is:
2
1/2
8
1/8
Evaluate 16 - 10 ÷ 2.
3
5
7
11
12 + 3 1/4 =
25/4
47/4
61/4
75/4