Number of problems found: 670
- Price increase
A 20 percent price increase meant a 90-crown raise. How many cost a product after?
Product has been discounted twice by 19%. What is the total discount given?
Cacao contains 34% filling. How many grams of filling are in 130 g cacao.
Event P has probability of 0.84. What is the probability that the event P occurs in 3, 5, 7 try.
- Former price
The price of an article is cut by 10%, to restore it to the former value, by what percent the new price must be increased?
- The price
The price of the land increased by 17%. What was the original price of the land if it now costs 46800 €?
The cost of producing briefcase is € 45. The manufacturer wants to sell it at a profit 30%. For how much will briefcase sell?
- Mr Novak
Mr Novak earns an average 1249 euros. When increasing the salary they gave him a choice: ? What is better choice for Mr Novak?
- Percentage reduction
Reducing the unknown number by 19% get number 700.7 Determine unknown number.
- Butter fat
A quarter of kg butter contains 82% fat. How many grams of fat are in four cubes of butter?
- Sales off
Goods is worth € 70 and the price of goods fell two weeks in a row by 10%. How many % decreased overall?
- Win in raffle
The raffle tickets were sold 200, 5 of which were winning. What is the probability that Peter, who bought one ticket will win?
A certain device consumes 28 kW and delivers 14 kW. Find its efficiency.
Of the 80 people 50 people ill cancer. What percentage of people isn't ill?
- Unknown number x
5% from an unknown number equals the number 26. What is the unknown number?
- Commission 2
Mr gomez sells used cellphones. His commission for every cellphone sold is 20%. If his total sales is Php 33850, how much is his commission? Please, please, please show your solution.
- Slow saving in banks
How long will it take to save € 9,000 by depositing € 200 at the beginning of each year at 2% interest?
The population grew in the city in 10 years from 30000 to 34000. What is the average annual percentage increase of population?
- Deposit 3
After a year had Martin on bank account € 2028. What was the interest rate when the initial deposit was € 1879?
The three best contestants are to divide the total prize of CZK 4,200. The second gets 20% more than the third. And the first one gets 200 CZK less than the second and the third together. How much will everyone get?
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