Ratio - practice for 13 year olds - page 20 of 41
Number of problems found: 804
- Pedestrian 20613
Cyclist speed and pedestrian speed are in the ratio of 16:3. The pedestrian will drive 4.5 km per hour. How many cyclists will travel in 2 hours? - Bartender 20603
The mixed drink consists of 1.5 dcl of pineapple juice and 0.5 dcl of coconut syrup. Klára ordered it sweeter, so the bartender changed the volume of coconut syrup to a ratio of 3:2. What percent of the drink is now coconut syrup if the volume of the juic - Dimensions 20553
The surface of the block is 558 cm², and its dimensions are in the ratio of 5:3:2. Calculate the volume. - Dimensions 20513
The sides of the rectangle are 6.6 cm and 4.2 cm. We change its dimensions in a ratio of 5:2. How many times does the rectangle's area change compared to the original rectangle?
- Divided 20373
The line AB, whose length is 24 cm, is divided in a ratio of 5:3. How much longer is its larger part? - Length 20353
The given line is MN with a length of 11 cm. Change its length in the ratio: a) k = 2:1 b) k = 1:2 c) k = 17:11 d) k = 22:33 - Regulations 20113
According to school regulations, a student receives an excellent grade if he achieves at least 26 points in a test with a total of 30 points. What is the minimum number of points a student must obtain in a test with a total of 50 points if the same passin - Horses 20063
Nine horses need a lot of hay for two days. How many horses would the same amount of hay be enough for three days? - Students 20003
The class's ratio of boys to girls is 5:7. There are ten boys. How many students are in the class?
- Kilometers
The scale of the map is 1:100,000. How long is the road, which is 4.7 cm long on the map, really long? - Together 19833
Lucie, Jan, and Matej shared the candy in a ratio of 3:4:5. Matej got 20 sweets. How many candies did they share? - Dividing money
Milan divided 360 euros in the ratio of 4: 5, Erik in the ratio of 500: 625. How many euros did the individual parts of Milan and how many Erik? - Snack
The teacher paid CZK 450 for a snack for 30 pupils. How many CZK will we pay for the same snack for 28 pupils? - Interested 18803
On the map, at a scale of 1:400 m and an area of 100 cm². How much are you interested in this land?
- Squares ratio
The first square has a side length of a = 6 cm. The second square has a circumference of 6 dm. Calculate the proportions of the perimeters and the proportions of these squares. (Write the ratio in the basic form). (Perimeter = 4 * a, area S = a²) - Concentrate 18043
Fruit juice concentrate is sold in two-liter bottles. It is diluted with water in a ratio of 1:9. a) determine how to prepare 5 liters of fruit drink from concentrate and water. b) How many liters of fruit drink can be prepared from a full bottle of fruit - Circuits 17961
The area of one square is 81 cm2, and the area of the other is 225 cm². What is the ratio of their circuits? - Increased 17773
Salaries increased by 4:3. How much did wages increase? - Mixture of nuts
Alice bought a mixture of nuts containing cashew nuts, hazelnuts, and peanuts in a ratio of 1:2:3. Calculate the weight in grams of the whole mixture if the peanuts weigh 90 g.
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