Rational numbers + percentages - practice problems
Number of problems found: 34
Arrange the following in descending order: 0.32, 2on5, 27%, 1 on 3
- The recommended
The recommended price of the novel "Laughing Sun" is 285 SKK. The bookseller bought 60 pieces of the novel at the wholesale store and paid 82% of the recommended price (18% is his profit for selling books). For the recommended price, he sold 55 pieces of
- The fastest
The fastest boat can reach speeds more than 710% as fast as the Queen Mary 2. How would you express this number as a fraction and as a decimal?
- Percent to number
To increase that number by 5 percent, we need to multiply it by:
- Unions now
The plant has 1,250 employees. The Trade Unions (former ROH, OH) is 18% male, 23% female. Plant management reported that in the trade union is 20% of all employees. How many men and women are in the plant, and how many are men and women in trade unions?
- Positive number z
Positive number z is 10% greater than the number y. How many % is y smaller than z? Report the result rounded to one decimal place.
23 people attended the office. 9 of them completed the questionnaire. What is the percentage of all people?
- Price of state
Estimate the cost of the state based on following reason. State price is expressed as a percentage respectively share in the redistribution of national GDP. Employee creates monthly value € 868 (super-gross wage).Then tax him 35.2% employer contributions
- Rising price
The book first become more expensive by 5 euros. New price was later increased by 8%. After the second price increase book cost 46 euros. What was the original price of the book?
Number 839 divide into the two addends that the first was 17 greater than 60% of the second. Determine these addends.
A certain device consumes 28 kW and delivers 14 kW. Find its efficiency.
John paid 1000 Euros in store for purchase. Calculate value added tax (VAT), which paid in purchase, if the VAT rate is 20%.
- Negative percentage
In 2006, the company had a loss of 11100 Euros. Two years later, he was already in profit 50000 Eur. Calculate what percentage of the company increased profits in these two years.
- Percentages above 100%
What is 122% of 185? What is the meaning of percentages above 100%?
The gross wage was 1323 USD including 25% bonus. How many USD were bonuses?
Gross weight of shipment is 6927 kg and its tare is 7%. Calculate the net weight of the shipment.
How many 55% alcohol we need to pour into 14 liters 75% alcohol to get p3% alcohol? How many 65% alcohol we get?
- Sea water
Mixing 62 kg of sea water with 84 kg rainwater is created water containing 3.1% salt. How many percent sea water contains salt?
Video is 153% more expensive than tape recorder. How many percent is tape recorder less expensive than video?
Ladies sweater was twice discounted. First by 8%, then by 8% of the new price. Its final price was 66 €. Determine the original price of the sweater.
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