Basic ratio word problems for practice with answers

These simple ratio practice questions are for those students who just learned the concept of Ratio and Proportion. Use these questions to test your understanding without looking at the answers, which are given below. These questions are suitable for grade 4 students. If you find any wrong answer, please let us know in the comment.

1. If there are 15 boys and 10 girls in a class, what is the ratio of boys to girls?
2. A recipe for making pancakes requires 2 cups of flour and 1 cup of milk. What is the ratio of flour to milk in this recipe?
3. In a bag of marbles, the ratio of red marbles to blue marbles is 3:5. If there are 25 blue marbles, how many red marbles are there?
4. The ratio of the number of apples to oranges in a fruit basket is 4:3. If there are 27 oranges, how many apples are there?
5. A car traveled 240 kilometers in 4 hours. What is the ratio of the distance traveled to the time taken in the trip?
6. The ratio of the number of pencils to pens in a stationary set is 2:5. If there are 16 pencils, how many pens are there?
7. In a school play, the ratio of boys to girls participating is 3:4. If there are 27 boys, how many girls are there?
8. The ratio of the length to the width of a rectangle is 5:3. If the width is 12 meters, find the length of the rectangle.
9. Sarah has a bag of candies with red and green candies in the ratio of 2:7. If she has 49 green candies, how many red candies does she have?
10. The ratio of the number of students who like ice cream to those who prefer cake is 5:2. If there are 35 students who like ice cream, how many prefer cake?
11. The ratio of boys to girls in a class is 2:3. If there are 25 students in total, how many girls are there?
12. If there are 15 red balls and 25 blue balls in a box, what is the ratio of red balls to blue balls?
13. A recipe calls for 2 cups of flour and 3 cups of milk. What is the ratio of flour to milk in the recipe?
14. In a pet store, there are 10 dogs and 15 cats. What is the ratio of dogs to cats?
15. A model car is 6 inches long, while the real car is 12 feet long. What is the ratio of the model car’s length to the real car’s length?
16. In a school play, there are 18 speaking roles and 6 non-speaking roles. What is the ratio of speaking roles to non-speaking roles?
17. The ratio of students who walk to school to those who ride the bus is 3:2. If there are 45 students who walk, how many students ride the bus?
18. A rectangular garden has a length of 18 meters and a width of 6 meters. What is the ratio of length to width?
19. In a zoo, the number of monkeys to lions is 5:2. If there are 25 monkeys, how many lions are there?
20. A school has 450 students, and the ratio of boys to girls is 4:5. How many girls are there in the school?
21. A recipe requires mixing 2 cups of sugar with 3 cups of water. What is the ratio of sugar to water in the mixture?

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Answers:

1. 3:2
2. 2:1
3. 15
4. 36
5. 60:1
6. 40
7. 36
8. 20
9. 14
10. 14
11. 15
12. 3:5
13. 2:3
14. 2:3
15. 1:24
16. 3:1
17. 30
18. 3:1
19. 10
20. 250
21. 2:3