1 The ratio of apples to oranges is 4:7. If there are 28 oranges, how many apples are there? A 12 B 14 C 16 D 20
4 A bus travels 180 km in 3 hours. At the same speed, how long will it take to travel 300 km? A 4 hours B 5 hours C 6 hours D 7 hours
5 A recipe requires 2 cups of flour for 3 cups of sugar. What is the ratio of flour to sugar? A 2:3 B 3:2 C 1:1.5 D 2.5:3
6 A factory produces 120 toys in 3 hours. How many toys can it produce in 7 hours? A 240 B 280 C 300 D 320
7 A car travels 120 km in 2 hours. At the same speed, how far will it travel in 5 hours? A 240 km B 300 km C 360 km D 400 km
9 The ratio of length to width of a rectangle is 5:3. If the length is 25 cm, what is the width? A 10 cm B 15 cm C 20 cm D 25 cm
13 The ratio of cats to dogs is 3:4. If there are 12 cats, how many dogs are there? A 12 B 14 C 16 D 18
17 The ratio of zinc to copper in brass is 2:3. If there are 18 kg of copper, how much zinc is there? A 8 kg B 10 kg C 12 kg D 14 kg
18 The ratio of boys to girls is 5:3. If there are 30 boys, how many students are there in total? A 40 B 48 C 50 D 55
19 If 5 liters of paint cover 20 m², how many liters are needed to cover 60 m²? A 10 L B 12 L C 15 L D 18 L
20 The ratio of boys to girls in a class is 3:2. If there are 15 boys, how many girls are there? A 8 B 10 C 12 D 15