Percentages - practice for 12 year olds - page 7 of 15
Number of problems found: 286
- Percentage 3557
They increased the price of the social word game SCRABBLE from SKK 600 to SKK 900. By what percentage did they increase the price of the game? - Hall
The rectangular hall will have to pave with square tiles with a side length of 15 cm. The hall has a length of 18 meters and a width of 3 m. How many tiles need to buy if 2 percent of the amount is disrupted during the work? - Percentage 3550
There are 35 pupils in the class, 7 of them are active in sports. What percentage is it? - Percentage 3549
Fresh weighs 8 kg. After drying, their weight was 96 dag. What percentage of water do fresh mushrooms contain?
- Percentage 3548
Nine tons of potato flour are obtained from 50 tons of potatoes. What percentage by weight of potatoes is potato flour? - Percentage 3547
Quality control found that out of 4,200 products, 3,074 were perfect. What percentage did the scraps represent? - Class
In a class are 32 pupils. Of these are eight boys. What percentage of girls are in the class? - Price increase
A 20 percent price increase meant a 90-crown raise. How much cost a product after? - Securities 3226
After one year, we sold securities issued at an interest rate of 7% for CZK 8,560. What was their original value?
- Employees 3212
Employees exceeded the quarterly plan by 13.2%. In the first month, they exceeded the goal by 320 t, in the second by 310 t, and in the third by 300 t. Calculate the quarterly plan. - Tank
To cuboid tank whose bottom has dimensions of 9 m and 15 m were flow 1080 hectoliters of water. This filled 40% of the tank volume. Calculate the depth of the tank. - Percentage 3138
What percentage are 720 liters of 6m³? - Painting
The room is 50 meters long, wide 60 dm, and 300 cm high. Calculate how much it will cost to paint if the area of windows and doors is 15% of the total area. One square meter costs 50cents. - Reinforced 3120
The sweater was reinforced from 850kc to 340kc. How many percents were merged?
- Numbers 3090
The sum of the two numbers is 52.5. The first number makes up 75% of the second number. Specify both numbers. - Savings 3087
Milan has 84 euros. He gave his brother 20% of his savings and his sister 25%. Find how much money each has. - Webshop 3027
Webshop reduced the price of the suit by p percent. What was the new cost of the suit? - Determine 3013
An unknown number increased by 300% equals 62. Determine an unknown number. - Percentage - fractions
About what percentage must we increase the number 1/6 to get the number 1/3?
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