If 3 kg of flour is needed for 12 cakes, how many kg of flour are needed for 4 cakes? 1 kg
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15
A model airplane has a wingspan of 18 cm. If the actual airplane has a wingspan of 36 metres, what is the scale of the model? 1:20
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15
In a proportion, if a/b = c/d, and a = 8, b = 4, c = 2, what is the value of d? 1
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15
In a class, the ratio of students wearing glasses to those not wearing glasses is 1:4. If there are 20 students in the class, how many are wearing glasses? 4 students
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heart
Other team wins 25 points!
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magnet
Take 20 points!
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fairy
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banana
Go to last place!
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15
A bag contains black and white marbles in the ratio of 2:3. If there are 10 black marbles, how many white marbles are there? 15 white marbles
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lifesaver
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magnet
Take 15 points!
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gift
Win 25 points!
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lifesaver
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15
For every 5 red beads, there are 15 blue beads. What is the ratio of red beads to the total number of beads? 1:3
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boom
Lose 50 points!
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seesaw
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shark
Other team loses 10 points!
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thief
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15
A map uses a scale of 1 cm to 100 km. How far apart are two cities if the distance between them on the map is 3 cm? 300 km
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15
A scale drawing of a building is made with a scale of 1:100. If the height of the drawing is 0.5 m, what is the actual height of the building? 50 m
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15
In a recipe, the ratio of cups of flour to cups of sugar is 2:1. If you use 4 cups of flour, how many cups of sugar do you need? 2 cups
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15
A rectangle has a length of 10 cm and a width of 5 cm. What is the ratio of the width to the area of the rectangle? 1:10
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15
A mixture requires a ratio of water to cement of 3:1. If you have 9 liters of water, how much cement do you need? 3 liters
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15
The ratio of dogs to cats in a pet shop is 5:3. If there are 40 animals in total, how many dogs are there? 25 dogs
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15
To maintain a balanced diet, the ratio of fruits to vegetables should be 3:4. If you eat 12 fruits, how many vegetables should you eat? 16 vegetables