Ratios and Proportions MCQ Test: Ratios and Proportions MCQs - Practice Questions
1. If a car travels 240 miles in 4 hours, what is its speed in miles per hour?
2. If 4 apples cost $2, how much do 8 apples cost?
3. If the ratio of apples to oranges in a basket is 3:4, and there are 21 apples, how many oranges are there?
4. If 3x = 27, what is the value of x?
5. The ratio of the lengths of two sides of a rectangle is 2:5. If the area of the rectangle is 30 square meters, what is the length of the longer side?
6. If 15 students out of 25 passed a math test, what is the pass ratio?
7. If the perimeter of a square is 36 inches, what is the length of one side of the square?
8. If a recipe calls for 2 cups of sugar and you only have 1/2 cup, what is the ratio of what you have to what you need?
9. If 20% of a rectangle is shaded, what is the ratio of the shaded area to the total area of the rectangle?
10. The ratio of the areas of two circles is 4:9. If the radius of the smaller circle is 3 cm, what is the radius of the larger circle?
11. If 5x + 3y = 18 and 2x - y = 5, what is the value of y?
12. If the ratio of dogs to cats in a pet store is 3:4, and there are 24 cats, how many dogs are there?
13. If 5x = 20, what is the value of x?
14. A recipe calls for 1/4 cup of oil and 1/2 cup of water. If you want to make a double recipe, how many cups of oil should you use?
15. If a recipe calls for 1 cup of flour and 1/2 cup of water, what is the ratio of flour to water?
16. The ratio of the areas of two similar triangles is 9:16. If the length of one side of the larger triangle is 12 cm, what is the length of the corresponding side of the smaller triangle?
17. If a recipe calls for 2 tablespoons of sugar and you have 1/4 cup, how much more sugar do you need?
18. If a recipe calls for 2 cups of flour and 1 cup of sugar, what is the ratio of flour to sugar?
19. If a train travels 240 miles in 4 hours, what is its speed in miles per hour?
20. A recipe for a fruit salad calls for 3 apples and 4 bananas. If you want to make 12 servings, how many bananas do you need?
21. In a classroom, the ratio of boys to girls is 2:3. If there are 20 girls, how many boys are there?
22. If a recipe calls for 1 cup of milk and 2 cups of water, what is the ratio of milk to water?
23. The ratio of the lengths of two sides of a right triangle is 5:12. If the shorter side is 10 cm long, what is the length of the longer side?
24. The ratio of red marbles to blue marbles in a jar is 2:3. If there are 40 red marbles, how many blue marbles are there?
25. If 5 pencils cost $10, what is the cost of 8 pencils?
26. If a recipe calls for 1 cup of water and you want to make 3 times the recipe, how many cups of water do you need?
27. If 4x = 32, what is the value of x?
28. If it takes 4 hours to complete a task, how many tasks can be completed in 12 hours?
29. If a car travels 150 miles in 2.5 hours, what is its speed in miles per hour?
30. Simplify the ratio 15:25 to its simplest form.