Percentages - 7th grade (12y) - math problems

Number of problems found: 194

The golf
The golf ball with a diameter of 43 mm is packed in a cube-shaped box. What percentage of the box volume is made up of a ball?
Second hand store
The price of goods in the store for used goods is determined by agreement, while the sale price is deducted 15% commission - for the owner of the store. Matúš's parents decided to sell the TV so that their net profit was at least 50 euros. What was the mi
Determine
Determine the salary of a part-time worker if the employer deducted (taxes etc) CZK 840 from him, which was 6/50 of his salary.
Wholesale vs retail
For books, retail adds 10% of the wholesale price of the goods. If the book costs 4.80 euros in wholesale, how much will it cost in retail?
The recommended
The recommended price of the novel "Laughing Sun" is 285 SKK. The bookseller bought 60 pieces of the novel at the wholesale store and paid 82% of the recommended price (18% is his profit for selling books). For the recommended price, he sold 55 pieces of
The hockey
The hockey player scored 6 goals from 15 shots. How many % was he successful?
Chestnuts
Three divisions of nature protectors participated in the collection of chestnut trees.1. the division harvested 1250 kg, the 2nd division by a fifth more than the 1st division and the 3rd division by a sixth more than the second division. How many tons of
Altitude difference
What a climb in per mille of the hill long 4 km and the altitude difference is 6 meters?
Cut trees
There are 1,200 trees in the grove, of which 55 percent are deciduous, the remaining coniferous. Workers cut down 35 percent a) trees, b) deciduous trees, c) coniferous trees. How many trees now have this grove?
Break time
Calculate how many percent of school time is spent on breaks. Calculate data for the whole week.
Sales off
After discounting 40% the goods cost 15 €. How much did the cost of the goods before the discount?
Six percents
6% of the base is 21. How much is 28% of this base?
The sponsor
The school received money from the sponsor. She used one-third to buy computers, half of the rest to adjust the gym. It still has 4000 euros left. How many euros did the sponsor donate to the school?
Horizontal distance
The road has a gradient of 8%. How many meters will the road rise on a horizontal distance of 400m?
Budget plan
In the construction of the building, the planned budget exceeded 13%, which was 32,500 euros. How many euros cost built the building?
Summer camp
84 children spent their holidays at the summer camp. There were 8 fewer boys than girls. What percentage were boys and what percentage were girls?
CZ flag
What percentage of the Czech flag is made up of blue, white and red textiles?
Profit per kilo
The trader sells apples at a profit of 20% per kilogram. Today, he decided to reduce the price of apples by 10%. How much profit does the trader have today?
Mixture
How many percentages mixtures do we get by adding 23ml of matter to 89ml of water?
Vacation
Tomas spent 60% of his savings for his weekly vacation. He was 32 € left. How many euros did he have before vacation?