Percentages practice problems - page 95 of 110
Number of problems found: 2199
- Barrel 4
The barrel of water weighs 63 kg. After off 75% water, the barrel's weight with water is 21 kg. How many kg weigh empty barrels and how many kgs of water in them? - Savings and retirement
The older sibling has saved 44% more euros than the youngest, which represents 22 euros. How many euros older brother has saved? - Bronze, tin and copper
Bronze is an alloy of tin and copper. An alloy of 10% tin and 90% copper is Gunmetal. It is bell metal if it contains 20% tin and 80% copper. How many tons of molten bell metal and copper are needed to make 100 tons of Gunmetal? - Increased 2472
The price of skis increased twice from May to December, always by 20%. In December, the skis cost 1440 SKK. What was the original price in May? - Water in body
Water in the human organism of all the compounds represented constitutes about 3/5 of the total weight. How many kilograms of water is in your body when you weigh 51 kg? - Determine 2450
Peter and George received a total of 200 euros. George received 75% of the amount. Determine how much each of them received. - Construction 2449
The construction material was taken away by three different large cars. The weight of the load on the second was 20% more than on the first. The weight on the third was 20% more than on the second. They loaded a total of 18.2 tons. How many tons were on e - Surface area 2
Calculate how many % reduce the surface area of the cube is reduced the length of each edge by 10%. - 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? - Population
What is the city's population with 3% annual growth if, in 10 years, the city will have 60,000 residents? - 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.
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