1
Which ratio is equivalent to 4:9?
2
Are 5:6 and 10:12 in proportion?
3
Simplify the ratio 54:72.
4
The ratio of boys to girls in a class is 3:2. If there are 15 boys, how many girls are there?
5
The ratio of cats to dogs is 3:4. If there are 12 cats, how many dogs are there?
6
If 12:15 = 4:x, what is x?
7
If 7:x = 14:8, what is x?
8
Which ratio is equivalent to 2:5?
9
The ratio of red to blue marbles is 5:2. If there are 20 red marbles, how many blue marbles are there?
10
If 9:12 = 3:x, what is x?
11
If x:8 = 9:6, what is x?
12
If 5 liters of paint cover 20 m², how many liters are needed to cover 60 m²?
13
The ratio of length to width of a rectangle is 5:3. If the length is 25 cm, what is the width?
14
A factory produces 120 toys in 3 hours. How many toys can it produce in 7 hours?
15
If 8:10 = 4:x, what is x?
16
Simplify the ratio 28:42.
17
If 4:9 = x:18, what is x?
18
If 15 kg of sugar costs $45, what is the cost of 8 kg?
19
Which ratio is equivalent to 5:8?
20
Which of the following is a proportion?
21
If 10 meters of cloth cost $25, what is the cost of 6 meters?
22
Which ratio is equivalent to 3:4?
23
Are 2:7 and 6:21 in proportion?
24
Are 3:5 and 9:15 in proportion?
25
If 6 workers can build a wall in 8 days, how many workers are needed to build it in 4 days?