Ratios and Proportions MCQ Test: Ratios and Proportions MCQs - Practice Questions
1. A car travels 240 miles in 4 hours. What is the car's speed in miles per hour?
2. Simplify the proportion: 6:9 = 2:x
3. If a car travels 180 miles in 4 hours, what is its speed in miles per hour (mph)?
4. In a rectangle, the length is twice the width. If the perimeter is 30 cm, what is the length of the rectangle?
5. A recipe calls for 2 cups of flour and 1 cup of sugar. If you want to make 4 times the original recipe, how many cups of flour do you need?
6. If a map scale is 1 inch represents 6 miles, how many inches on the map represent 18 miles?
7. If a map scale is 1 inch represents 10 miles, how many inches on the map represent 50 miles?
8. If 4 pencils cost $8, how much do 12 pencils cost?
9. 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?
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 8 shirts cost $48, how much do 16 shirts cost?
12. If a car travels 240 miles in 5 hours, what is its speed in miles per hour (mph)?
13. If 3x + 4y = 12 and 2x - y = 5, what is the value of x?
14. Simplify the proportion: 3/4 = x/12.
15. If the perimeter of a square is 36 inches, what is the length of one side of the square?
16. The ratio of the number of red balls to blue balls in a bag is 4:7. If there are 28 blue balls, how many red balls are there?
17. If a recipe calls for 2 tablespoons of salt and you only have 1 tablespoon, what is the ratio of what you have to what you need?
18. What is the ratio of 4 to 6 in simplest form?
19. The ratio of the prices of two items is 3:5. If the price of one item is $15, what is the price of the other item?
20. The ratio of red balls to blue balls in a bag is 5:7. If there are 35 red balls, how many blue balls are there?
21. If the ratio of apples to oranges in a basket is 3:4, and there are 21 apples, how many oranges are there?
22. The ratio of the lengths of two rectangles is 2:3, and the ratio of their widths is 3:4. What is the ratio of their areas?
23. If a bike travels 15 miles in 45 minutes, what is its speed in miles per hour?
24. If it takes 5 hours to paint a room, how many hours will it take for 3 painters working together?
25. If a recipe calls for 1 cup of flour and 1/2 cup of water, what is the ratio of flour to water?
26. Simplify the ratio 12:18 to its simplest form.
27. If a recipe calls for 2 tablespoons of sugar and you have 1/4 cup, how much more sugar do you need?
28. If it takes 4 hours to complete a task, how many tasks can be completed in 12 hours?
29. If a recipe calls for 1 cup of milk and 2 cups of water, what is the ratio of milk to water?
30. If 5 books cost $20, how much do 8 books cost?
31. The ratio of the number of students who passed an exam to the number of students who failed is 7:2. If there are 45 students who passed, how many students failed?
32. If 5x + 3y = 18 and 2x - y = 5, what is the value of y?
33. If a car travels 180 miles in 6 hours, what is its speed in miles per hour (mph)?
34. If a recipe calls for 1/2 cup of olive oil and you only have 1/4 cup, what is the ratio of what you have to what you need?
35. In a classroom, the ratio of boys to girls is 2:3. If there are 20 girls, how many boys are there?
36. If a map scale is 1 inch represents 8 miles, how many inches on the map represent 32 miles?
37. If 2/3 of a number is 8, what is the number?
38. If 5 cats catch 10 mice in 4 hours, how many mice can 8 cats catch in 6 hours?
39. If a recipe calls for 2 cups of sugar and you have 3/4 cup, how much more sugar do you need?
40. If a:b = 7:9 and b:c = 6:7, what is the value of a:b:c?