Percentages practice problems - page 17 of 111
Number of problems found: 2219
- Client
A bank client had €1,320 deposited in her account throughout the year. At the end of the year, €33 in interest was credited to the account. What interest rate was used to determine the principal? - Cheaper skis
In Tesco, skis for 9,000 CZK were reduced by 30 percent, in Makro they were reduced by 20 percent first, and after a week by another 10 percent. Where were the skis cheaper in the end? - In production
In the production of sea buckthorn liqueur, 1.25 liters of sea buckthorn juice are mixed with 0.75 liters of 4% alcohol. Calculate the percentage of alcohol in sea buckthorn liqueur. Calculate the volume of pure alcohol in liters that is contained in 3 li - One-time payment
The price of a refrigerator is 7500 CZK for a one-time payment. If the customer chooses to purchase in installments, he will pay 800 CZK every month for 1 year. Determine by how much percent the customer will pay more for the refrigerator when purchasing - Sports Day 2
There are 15 boys in the class. 3 boys and 2 girls did not participate in the sports day. How many girls are there in the class if 80% of the students in the class participated in the sports day? - Tin sheet
How much sheet metal is needed for a triangular prism-shaped box with an edge of 20 cm and a height of 30 cm, the height of the base is 15 cm. An additional 10% of sheet metal is needed for gluing. - Sheet metal troughs
A farmer orders sheet metal troughs from a tinsmith for loading calves on pasture. The tinsmith looks at a picture of the trough and estimates how much sheet metal he will need for one trough. Determine the sheet metal consumption, add 15% for waste and j - Groundwater
The groundwater for collecting rainwater has the shape of a prism with trapezoidal bases a=5 m, c=7 m, 4 meters apart. The depth of the tank is 3 meters. How many hectoliters of water can it hold at most if 8% of its volume is taken up by the pump and pip - Total Training Cost Juraj paid 87 euros for ski training, representing 60% of the total. How much does ski training cost?
- Isosceles weight
A designer weight is made from a glass cube by cutting a three-sided prism with an isosceles triangle base that is right-angled and whose arm is half the length of the cube edge. What percentage of the cube is cut off when making the weight? - Engine power
Calculate the engine power of a truck moving at a constant speed of v= 30 km/h on a road with a 5% gradient when the weight of the truck with the load m= 5000 kg! - Original Price After Discounts
Mobile became cheaper by 30%, twice by 20%, and then by 10%. The resulting price is CZK 11,088. What was the original price? - Students with Honors
In the year's first half, 20% of the 8A class students had honors. At the end of the year, 3 more students joined them, and a total of 32% of the students received the distinction. How many pupils went to 8A? - Good grades
At school, 10 percent of boys and 15 percent of girls achieve good grades. What percentage of students achieve good grades when 60 percent of girls are in school? - Wardrobe code
Lucia has a lock on her wardrobe that opens with a 4-digit code (such as 0000, 0089, or 9123). Lucia forgot her code. But she knows that the sum of all four digits of her code is 4. How many such codes are there? - Selling Price with Markup
The purchase price of the material is 1000 CZK, and the margin is 35%. What will be the selling price? This is not a trademark or commission. - Men in Police Department
30 women work in the police department, representing 60% of the workforce. How many work in the men's department? - Total Survey Participants
Two thousand three hundred twelve participants responded positively to the survey question, which is 68% of the total survey participants. Determine the total number of participants in the survey. - Increased Daily Production
The company's daily production was 240 products. How much did it increase if labor productivity increased by 25%? - Previous Monthly Production
As a result of an increase in labor productivity by 15%, the company began to produce 920 products per month. How many products did he produce per month before?
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