Percentages practice problems - page 57 of 114
Number of problems found: 2276
- Ski price comparison
Zuzka and Katka bought skis. Zuzkyně was 25% more expensive than Katkiny. How much more were Katka's skis cheaper than Zuzka's? - Fish catching calculation
During the fishing of the pond, 19 catfish were caught. They accounted for 4% of all fish caught. How many fish were caught? - Course children calculation
25% of children did not attend the course because they were ill. Forty-eight children passed the course. How many children were initially supposed to complete the course? - Triangular prism
The base of the perpendicular triangular prism is a rectangular triangle with a hypotenuse of 10 cm and one leg of 8 cm. The prism height is 75% of the perimeter of the base. Calculate the volume and surface of the prism. - Mushroom drying calculation
When drying mushrooms, water evaporates 50% of its weight. How many kilograms of mushrooms must we collect to make 5 kg of dried mushrooms? - Solution mixing calculation
How many grams of 80% solution and 55% solution do we need to mix to obtain 100 grams of 60% solution? - Complaint resolution calculation
Of all the complaints submitted, 741 were successfully resolved. These represented 95% of all complaints. How many complaints were there? - Tent fabric calculation
The children's tent with a beech wood floor has the shape of a regular four-sided pyramid with a base edge of 1.25 m and a height of 80 cm. How many m² of fabric do we need to finish the tent if we add 12% material to the folds? - Average speed
A car traveled from city A to city B at a speed of 40 km/h, then from B to C at 60 km/h, and finally from C to D at 50 km/h. Calculate the car's average speed over the entire route from A to D if the distance from A to B is 20% of the total distance and f - Mushroom drying calculation When dried, mushrooms lose 80% of their weight. How many fresh mushrooms do we need to get half a kilogram of dried ones?
- Unknown number percentage
The number 290 is 16% larger than the unknown number. What's the unknown number? - Hydrogen peroxide dilution
I have 1 liter of 9% hydrogen peroxide, making it a 3% solution. How much water do I need to add? - Pavel 3
Pavel has deposits in two accounts: one in a current account with an annual interest rate of 2% and the other in a savings account with an annual interest rate of 4%. Together, both deposits earned him 1,000 CZK per year. If Pavel swapped the deposits bet - Defective bulbs
Of the 1,500 light bulbs produced, 21 were defective. What percentage of light bulbs were flawless? - Currant bush planting
Gardeners planted 16% more currant bushes than initially planned. They planted a total of 145 shrubs. What was the original plan? - Employee men percentage
Of the 800 employees, 344 are women. What percentage of the total number of employees are men? - Wheat sowing calculation
The farmer crossed the daily plan to sow wheat by one-fifth and sow in an 11.4 hectare field. Calculate his daily schedule. - Production plan percentage
The machine tool produced 516 pieces instead of the 480 parts originally planned. What percentage did it exceed the plan? - Reducing
Reducing the unknown number by 427, we get 65% of its value. What is an unknown number? - The surface area
How much percent will the surface area of a 4x5x8 cm block increase if the length of the shortest edge is increased by 2 cm?
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