Percentages - practice for 12 year olds - page 9 of 15
Number of problems found: 286
- Lawn and garden
The garden around the new house is divided as follows: 30% flowers, 35% orchards, and 150 m² form a lawn. What is the total area of the garden? - Area decrease
If the area of the square decreases by 19%, by how much percent does the side of the square decrease? - Farmland
Farmers seeded maize to 45 ha, which is 15% of their total farmland. How many hectares of fields do they have? - Three-fifths 2562
There are 600 households in a certain village. Last year, three-fifths of them had an Internet connection. This year, the number of households connected to the Internet increased by 40. What proportion of households has an Internet connection this year?
- Kite
John a kite, which is diamond-shaped. Its diagonals are 60 cm long and 90 cm long. Calculate: a) the diamond side b) how much paper John needs to make a kite if he needs a paper on both sides and needs 5% of the paper for bending? - Uncollected 2549
The supplier charged the customer a fine (penalty) of 6.5% of the price of the goods. The uncollected goods at the price of EUR 15,500. How much is Eur? - Produced 2536
The farm produced an average of 16.8 tons of potatoes per hectare. They had a 7% higher yield on state property. What was the average yield per hectare on state property? - Water in body
Water in the human organism of all the compounds represented constitutes about 3/5 of the total weight. How many kilograms of water is in your body when you weigh 51 kg? - Determine 2450
Peter and George received a total of 200 euros. George received 75% of the amount. Determine how much each of them received.
- Commuters 2428
A total of 750 pupils attend the school. 20% of students are commuters. 18% of pupils commute in the first grade and 23% in the second grade. How many first graders does the school have? - Seeds 2
How many seeds germinated from 1000 pcs when 23% had no emergence? - Addends
Number 118 divide into two addends, so the first addend is 69 greater than 75% of the second addend. - School library
The school library contains 6300 books. With this constitutes 7% of professional books for teachers, 18% of interest books and encyclopedias for pupils, and the rest of the fairy tales. How much are which books? - Backpack
A large backpack costs CZK 1352. Little is 35% cheaper. How much do we pay for five large and two small backpacks?
- Joshka
Joshua had € 15. Mama took him 15%. How many had left? - Nectar
Nectar collected by bees contains 70% water. The nectar of the same process produces honey which has 19% water. How many kilograms of nectar do bees need to collect to make 1 kg of honey? - Container with water
The weight of a container with water is 2.48 kg. Suppose the cast is 75% water, and the container with water weighs 0.98 kg. Determine the weight of the empty container. How much water was originally in the container? - Kilograms 2099
The truck crane has a load capacity of 4 tons. How many kilograms can we overload it if the maximum limit of 115 percent load capacity is allowed? - Sales off 2
The computer monitor sold for 8400 CZK in March. In April, the dealer price decreased by 798 CZK. Calculate the percentage by which the retailer reduced the price.
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