# Rational numbers + percentages - practice problems

#### Number of problems found: 34

- Arrange

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. - Bureaucracy

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? - Addends

Number 839 divide into the two addends that the first was 17 greater than 60% of the second. Determine these addends. - Efficiency

A certain device consumes 28 kW and delivers 14 kW. Find its efficiency. - VAT

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%? - Bonus

The gross wage was 1323 USD including 25% bonus. How many USD were bonuses? - Tare

Gross weight of shipment is 6927 kg and its tare is 7%. Calculate the net weight of the shipment. - Alcohol

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? - Tape

Video is 153% more expensive than tape recorder. How many percent is tape recorder less expensive than video? - Discount

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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Our percentage calculator will help you quickly calculate various typical tasks with percentages. Rational numbers - practice problems. Percentages practice problems.