Percentages practice problems - page 74 of 110
Number of problems found: 2186
- 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? - Increased 6053
Three new members have been added to the section. The number of members increased by 2%. How many members does the section now have? - Interest 6047 Mr. Demikát took out a loan worth 5,000 euros from the bank with an interest rate of 12 percent. How many months will it repay if the monthly payment is 80 euros?
- Returned 6046
At what rate did the sparrow borrow 1,200 grape berries from the thrush when it returned 1,392 berries?
- Interest 6043 Mr. Vysoky took out a mortgage on the house. He borrowed a total of 2 million for ten years. The interest rate was 2.3%. How much will Mr. Vysoky pay in total if the interest rate does not change?
- Diameter 6041
We baked a cake with a diameter of 26 cm. We watered it with icing. The dog licked 45% of the icing. What area did we have left? - Commission
Daniel works at a nearby electronics store. He makes a commission of 15% percent on everything he sells. If he sells a laptop for 293.00$, how much money does Daniel make in commission? - Difference 6029
Between the resorts is 15km, and the climb is 13 permille. What is the height difference? - Express 6027 Express a drop of 8 percent per mille.
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