# Rational numbers + percentages - math problems

#### Number of problems found: 33

• Percentages and numbers How many percent is number 426 greater than number 71?
• Percentages above 100% What is 122% of 185? What is the meaning of percentages above 100%?
• Bureaucracy The office was attended by 23 people. 9 of them completed the questionnaire. What is the percentage of all people?
• Percent to number To increase that number by 5 percent, we need to multiply it by:
• Discount Product has been discounted twice by 19%. What is the total discount given?
• Efficiency A certain device consumes 28 kW and delivers 14 kW. Find its efficiency.
• Company After increasing the number of employees by 15% company has 253 employees. How many employees take?
• Car inflation About what percentage price of car increased if price rose from €1880 to €2200? Number 839 divide into the two addends that the first was 17 greater than 60% of the second. Determine these addends.
• 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?
• Farmer The farmer farming 293 ha of arable land and the remaining 20% are meadows and pastures. How much land farmer owns?
• Server Calculate how many average minutes a year is a webserver is unavailable, the availability is 99.99%.
• Expansion If one side of the rectangle is larger 4-times and second 2-times, what percentage increases the area of rectangle?
• 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.
• 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?
• Bonus The gross wage was 1323 USD including 25% bonus. How many USD were bonuses?
• Acid The barrel is 199 litres of 38% acid. How many percent acid occurs when 61 litres revoke and replace it with the same amount of water?
• 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.
• VAT John paid 1000 Euros in store for purchase. Calculate value added tax (VAT), which paid in purchase, if the VAT rate is 20%.
• Tare Gross weight of shipment is 6927 kg and its tare is 7%. Calculate the net weight of the shipment.

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