Percentages practice problems - page 95 of 110
Number of problems found: 2186
- Determine 2429
Determine the length of the cube's edge, the volume of which is equal to 60% of the volume of a block measuring 7cm, 8cm, and 6cm. - Commuters 2428
A total of 750 pupils attend the school. 20% of students are commuters. 18% of pupils commute in the first grade and 23% in the second grade. How many first graders does the school have? - Increase 2425
What was the price of the washing machine if, after an increase of 35%, it cost 12690 €? - Competitors 2417
20% of the people lost in the races, and the total number was 100 competitors. How many competitors lost? - Reduce of the volume
Calculate how many % reduce the volume of the cube is reduced the length of each edge by 10%. - Savings 2411
How many euros does Karol save if 7% of his savings is 70 euros? - Seeds 2
How many seeds germinated from 1000 pcs when 23% had no emergence?
- Sum 10
What is the probability that two dice thrown twice in a row will result in the sum of 10? - Throw
We throw two times with two dice. What is the probability that the first roll will fall more than the sum of 9 and the second throw has a sum of 3 or does not have the sum of 4? - Probability 2386 We throw a die seven times. What is the probability that: a) the first, second, and third times fall six and not in all the others, b) 5 does not fall four times in a row, and yes, in the last 3 hours?
- Determine 2385
Determine x if 98% of x equals 196. - Rectangle
The width of the rectangle is 65% of its length, and its perimeter is 132 cm. Determine the dimensions of the rectangle. - Addends
Number 118 is divided into two addends, so the first addend is 69, greater than 75% of the second addend. - Probability - tickets
What is the probability when you have 25 tickets in 5000 that you do not win the first (one) prize? - School library
The school library contains 6300 books. These comprise 7% of professional books for teachers, 18% of interest books and encyclopedias for pupils, and the rest of the fairy tales. How much are which books each type?
- Backpack
A large backpack costs CZK 1352. Little is 35% cheaper. How much do we pay for five large and two small backpacks? - Metal box
How much metal do we need to produce in a box with dimensions of 5 dm, 30 cm, and a height of 1 m? Add 12% of the waste and fold. - Joshka
Joshua had € 15. Mama took him 15%. How many had left? - Average mark
Calculate the average mark in English if a student got a couple of 3's, 20% less two than 3, and 50% more 1's than the 2's. - Lathe
Calculate the percentage of waste if the cube with 53 cm long edge is lathed to the cylinder with a maximum volume.
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