Ratio Quiz Grade 6
Questions: 16 · 10 minutes
1. Which ratio is equivalent to 4:5?
12:15
10:12
8:15
16:25
2. Blue and white paint are mixed in a ratio of 5:2. If 15 cups of blue paint are used, how many cups of white paint are needed?
5 cups
10 cups
6 cups
12 cups
3. The ratios 6:8 and x:20 are equivalent. What is the value of x?
12
15
14
18
4. What is the ratio 12:18 written in simplest form?
3:4
6:8
2:3
4:9
5. At an animal shelter, the ratio of cats to dogs is 3:2. If there are 25 animals altogether, how many are cats?
15
10
12
20
6. A total of 35 counters is divided into red and yellow counters in a ratio of 2:5. How many counters are red?
7
25
14
10
7. The ratio of boys to girls in a club is 3:4. If there are 12 boys, how many girls are there?
18
9
12
16
8. A packing machine places 12 cans into every 2 boxes. Which pair follows the same ratio of boxes to cans?
1 box to 12 cans
3 boxes to 12 cans
6 boxes to 24 cans
4 boxes to 24 cans
9. A bakery uses 6 cups of flour to make 2 batches of bread. At the same rate, how much flour is needed for 5 batches?
10 cups
12 cups
15 cups
30 cups
10. Three notebooks cost $15 at the same price per notebook. What is the unit price?
$5 per notebook
$12 per notebook
$15 per notebook
$45 per notebook
11. A fruit drink uses orange juice and water in a ratio of 2:3. If 12 cups of water are used, how many cups of orange juice are needed?
6 cups
10 cups
18 cups
8 cups
12. Drink A mixes lemon juice and water in a ratio of 3:5. Drink B uses a ratio of 4:7. Which drink has more lemon juice compared with its amount of water?
Drink B, because 4 is greater than 3
They have the same concentration
Drink A, because 3 × 7 is greater than 4 × 5
It cannot be determined unless both drinks have the same total volume
13. On a scale drawing, 1 centimeter represents 4 meters. A wall measures 6 centimeters on the drawing. What is its actual length?
24 meters
18 meters
20 meters
10 meters
14. Which notation correctly represents the ratio “7 to 9” while preserving the stated order?
9:7
7:9
9:16
7:16
15. Lena reads 18 pages in 3 days at a constant rate. At that rate, how many pages will she read in 5 days?
21 pages
30 pages
27 pages
24 pages
16. A basket contains 6 apples and 4 oranges. What is the ratio of apples to all the fruit in simplest form?
3:2
3:5
2:5
5:3