Ratios and Proportions MCQ Test: Ratios and Proportions MCQs - Practice Questions
1. 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?
2. If the ratio of apples to oranges in a basket is 3:4, and there are 21 apples, how many oranges are there?
3. If 30% of students in a class are girls, what is the ratio of girls to boys if the remaining students are boys?
4. If 4x = 32, what is the value of x?
5. A car travels 240 miles in 4 hours. What is the car's speed in miles per hour?
6. 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?
7. If a recipe calls for 2 cups of flour and 1 cup of sugar, what is the ratio of flour to sugar?
8. 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?
9. The ratio of boys to girls in a class is 3:5. If there are 24 girls, how many boys are there?
10. 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?
11. Simplify the proportion: 6:9 = 2:x
12. If 20% of a number is equal to 30% of another number, what is the ratio of the two numbers?
13. A recipe calls for 3/4 cup of sugar and 1/4 cup of butter. If you want to make a double recipe, how many cups of sugar should you use?
14. Simplify the ratio 18:24 to its simplest form.
15. Simplify the ratio 15:25 to its simplest form.
16. The ratio of boys to girls in a class is 2:3. If there are 18 girls, how many boys are there?
17. If a recipe calls for 3 cups of flour and you only have 1 cup, what fraction of the flour do you have?
18. If a car travels 120 miles in 3 hours, what is its speed in miles per hour (mph)?
19. If a car travels 180 miles in 3 hours, what is its speed in miles per hour?
20. If a car travels 240 miles in 5 hours, what is its speed in miles per hour (mph)?
21. If a car travels 180 miles in 6 hours, what is its speed in miles per hour (mph)?
22. 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?
23. 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?
24. If a recipe calls for 1 cup of flour and 1/2 cup of water, what is the ratio of flour to water?
25. If a recipe calls for 2 tablespoons of sugar and you have 1/4 cup, how much more sugar do you need?
26. If 3x + 4y = 12 and 2x - y = 5, what is the value of x?
27. If it takes 4 hours to complete a task, how many tasks can be completed in 12 hours?
28. If a car travels 150 miles in 2.5 hours, what is its speed in miles per hour?
29. If a car travels 120 miles in 2 hours, what is its speed in miles per hour?
30. What is the ratio of 2:5 written as a fraction in the simplest form?
31. If a map scale is 1 inch represents 6 miles, how many inches on the map represent 18 miles?
32. If a car travels 180 miles in 4 hours, what is its speed in miles per hour (mph)?
33. 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?
34. If a:b = 3:4 and b:c = 5:6, what is the value of a:b:c?
35. A recipe calls for 3 cups of milk, but you want to make half the recipe. How many cups of milk do you need?
36. If a recipe calls for 1 cup of milk and you want to make 2 times the recipe, how many cups of milk do you need?
37. In a classroom, the ratio of boys to girls is 2:3. If there are 20 girls, how many boys are there?
38. The ratio of the ages of Tom and Jerry is 3:5. If Tom is 21 years old, what is Jerry's age?
39. If a recipe calls for 1 cup of milk and 2 cups of water, what is the ratio of milk to water?
40. If 5 books cost $20, how much do 8 books cost?
41. 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?
42. If a train travels 300 miles in 5 hours, what is its speed in miles per hour?
43. If 6 pens cost $9, how much do 12 pens cost?
44. 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?
45. Simplify the ratio 10:20 to its simplest form.
46. Simplify the proportion: 3/4 = x/12.
47. If 20% of a rectangle is shaded, what is the ratio of the shaded area to the total area of the rectangle?
48. If 3x = 27, what is the value of x?
49. In a rectangle, the length is twice the width. If the perimeter is 30 cm, what is the length of the rectangle?
50. If a train travels 240 miles in 4 hours, what is its speed in miles per hour?