Ratio - practice for 12 year olds - page 4 of 28
Number of problems found: 560
- Equation: 78654
Find x in the ratio equation: 2:1 4/5=x:3/5 - Swimming 78124
A 16 m square swimming pool has an area of 1 m² on the city plan. What is the scale of the city plan? - Number 72124
The ratio of three times the number x and twice the number 9 equals 3. What is the value of the number x? - A recipe 3
A recipe calls for 1/2 cup of ingredient A for every 1 2/3 cups of ingredient B. You use 4 cups of ingredient A. How many cups of ingredient B do you need?
- Lightning 69734
The sound travels at a speed of 1km in 3 seconds. If the thunder is heard 12 seconds after the lightning, what distance is the storm? - Specify 69484
How do you divide a 3m long rod in a ratio of 1:5? Specify the length of both parts in cm. - Three-digit 69114
How many three-digit numbers have a digit sum of 6? Write the ratio of the number of created even and odd numbers and adjust it to the basic form. - Conditions 66544
I have a box that contains white, milk, and dark chocolate candies. The ratio of white to milk candies is 3:4. The ratio of white to dark candies is 4:3. The least amount of candies in the box if the conditions of the ratio of candies are met. - Material 65504
The cube with an edge of 1 cm weighs 0.2 kg. What is the weight of a cube made of the same material with an edge 4 cm long?
- Kilometers 65444
The cyclist will ride 42.5 km in 2.5 hours. How many kilometers will he cover in 4 hours and 15 minutes? - Products 64374
The machine will produce 5,600 products in 7 hours. How many products will they make in 8 hours? - Library
They packed books in the library. They used 45 cm of wrapping paper per book. Wrapping papers are sold in rolls of 3 meters. How many such roles do they need to wrap 20 books? - Exchange office
We get € 1.2 for one pound in the exchange office. For 1 € we get 4 Polish zlotys. Michael found 300 zlotys at home and wanted to turn them into pounds. How many pounds will he get for them? - A pack
A pack of 8 sports drinks costs $5. How much would it cost to buy 72 sports drinks?
- Rocks
Dana loves rocks! She has six pieces of granite, three pieces of marble, 14 pieces of sandstone, and one piece of slate. What is the ratio of sandstone pieces to marble in Dana's collection? - Manganese
Manganese bronze contains the following metals per pound: copper 0.89 lb, tin 0.10 lb, and manganese 0.01 lb. How much copper is in a shaft that weighs 235 pounds? - Dimensions 60923
The drawing of the apartment is in the ratio of 1:200. The living room has dimensions of 2cm x 3cm in the picture. How many square meters does the living room have? - The ratio 6
The ratio of cats to dogs is 2 to 5. if there are 35 total animals in the shelter, then how many are dogs? - Fruits 6
Ten mangoes, six guavas, and eight chicos are in a basket. What part of the total number of fruits are guavas?
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