Percentages practice problems - page 73 of 111
Number of problems found: 2209
- Decreased 6181
The plasma TV happened at Christmas. Case 738eur. After Christmas. The shop sold it out on holidays, and its price decreased by 12%. How much did the TV cost after the discount?
- Equilateral triangle
Calculate the area of an equilateral triangle with a circumference of 72cm.
- Calculate
Calculate the length of a side of the equilateral triangle with an area of 50cm².
- Connections 6133
Gutters have the shape of half a cylinder. Their diameter is 16 cm, and the total length around the roof is 32.6 m. How many m² of sheet metal are needed to make them? Add 15% for connections and cleaning.
- Kilometers 6115
In 2016, we drove 52893.9 km, and in 2017, we drove 64035.4 km. By how many kilometers did they increase?
- Numbers 6101
Fifty percent of the number x equals sixty percent of the number y. What is the ratio of the numbers x and y?
- Sixty
Sixty percent of one-fifteen of the total is equal to thirty. What are two percent of the total?
- Girls
The children's competition was attended by 63 girls, which is 30% of all children's participants. How many children attended this competition?
- Radioactive material
A radioactive material loses 10% of its mass each year. What proportion will be left there after n=6 years?
- Investment
1000$ is invested at 10% compound interest. What factor is the capital multiplied by each year? How much will be there after n=12 years?
- Successful 6077
The natural history test contained 21 questions. The teacher evaluated each question by two points. Milan wrote a test for 39 points. At what percentage was Milan successful?
- Percentage 6076
One hundred fifteen girls and 136 boys enrolled in a specific grammar school. They admitted 64 students. What percentage of the total students enrolled in grammar school?
- Recalculate 6075
Zuzka planned to recalculate 20 examples from the new collection during the holidays, but she only managed to calculate 13 of them. At what percentage did she fulfill her plan?
- Minutes 6069
How many minutes is 60% of two hours?
- Principal 6066
After a year, little Katka was on a passbook of thousands of euros. What was the annual interest rate in the bank, and the principal was 957 euros?
- Percentage 10
Fifty-two shorts and missed 13. Calculate percentage
- Deposited 6059
On January 2nd, 2009, Janko's father deposited €3,000 in the bank's passbook. The bank provides an annual interest of 0.30% for deposits up to €5,000. However, Janko's father collected the money after eight months. What is interest in euros added to it?
- Reduce 6058
If we reduce the number x by 30%, we get 140. What is x?
- Diabetes 6057
Diabetes contains 13% sugar. From what amount of diabetes do we get 15q of sugar? How much sugar do we get from 15q of diabetes?
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