Express 1/5 as percentage.
10%
20%
25%
40%
Which of the following is a rational number less than 1/2?
1/3
3/2
3/4
5/4
- 92 =
18
- 18
- 81
81
12 + 3 1/4 =
25/4
47/4
61/4
75/4
Simplify the ratio 2 m : 40 cm.
1 : 20
20 : 1
5 : 1
1 : 5
Calculate 27 ÷ 4 1/2.
4
6
10
12
1 4/9 + 3 5/12 =
175/36
170/36
175/48
170/48
If ξ = {p, q, r, s, t, v} and y = {p, r, v}. List the members of y'.
{q, s, t}
{p, q, r}
{r, s, t}
{s, t, v}
Which of the following is a natural number?
0
- 1
15
- 15
Evaluate 16 - 10 ÷ 2.
3
5
7
11