Percentages practice problems - page 106 of 112
Number of problems found: 2224
- Gon functions
Decide which numbers (values of trigonometric functions) are positive or negative (or zero). Positive mark +1 and negative -1. - Inheritance
After death, the father († 62) remained the mother (his wife) and 3 children. Inheritance by law is that the first mother will automatically get half of the property and the other half inherited by heirs, the mother and her 3 children by the same share. C - Efficiency
A certain device consumes 50 kW and delivers 17 kW. Find its efficiency. - 100 %
How much is 100% if 82 % is 77? - Percentages
Expressed as a percentage: - Bakery
How heavy must prepare bread at a bakery if a bread loses 18% of water during baking and after baking must have 1.7 kg? (Calculate to the nearest gram) - Railways
Railways climb 2.8 ‰. Calculate the height difference between two points on the railway distant 5997 meters. - Ray
Light ray loses 1/19 of brightness passing through a glass plate. What is the brightness of the ray after passing through 5 identical plates? - Paddlers
Students of canoeists traveled on a trip of three days 84 km. On the second day, they traveled 7% more than the first day and on the third day 5 km over the second day. How many kilometers are traveled each day? - Number
What number is 12 % smaller than the number 102? - Prism
A right-angled prism, whose base is a right triangle with leg a = 3 cm and hypotenuse c = 6 cm, has the same volume as a cube with an edge length of 1 dm. a) Find the height of the prism b) Calculate the surface of the prism c) What percentage of the cube - Hop-garden
The length of the rectangular hop garden Mr. Smith increased by 25% and its width by 25%. What is the percentage change in the area of the hop garden? - Retail
At what price can the retail 1 kg goods be bought from wholesale if the weight lost in distribution is 1.5%, and retail still has a profit of 7.8%? Goods are sold at retail for 20 euro per kg. - Reference angle
Find the reference angle of each angle: - VAT lottery
Father earns 809 euro a month, mother 480 euro per month. Calculate what amount they paid as value-added tax (VAT) to the government if the VAT rate is 20%. Assume that the family will spend their entire monthly income. - Square
If we increase the side of the square, increase its area of 50%. What is the percentage we increase the side of the square? - Interest
What is the annual interest rate on your account if we put 43280 and after 198 days received 44293.9? - Climb
The road sign that informs the climb is 10.3%—the car drives 10 km along this road. What is the height difference that the car went? - Clock
How many times a day do hands on a clock overlap? - Interest
Calculate how much you earn for 8 years 17000 deposit if the interest rate is 1.2% and the interest period is a quarter.
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