Percentages - practice for 12 year olds - page 3 of 15
Number of problems found: 286
- 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 - One-fifth 18523
The farmer crossed the daily plan to sow wheat by one-fifth and sow in an 11.4 ha field. Calculate his daily schedule. - Reducing
Reducing the unknown number by 427, we get 65% of its value. What is an unknown number? - Altitude difference
What is a climb per mille of the hill long 4 km and the altitude difference is 6 meters?
- Birdhouse 12941
Michal would make a birdhouse in three hours, and Richard would make it in two hours. If they work together, how many hours will it take them to complete it? How much percent more time compared to the time of working together would Michal make the booth b - Cut trees
There are 1,200 trees in the grove, of which 55 percent are deciduous, the remaining coniferous. Workers cut down 35 percent of a) trees, b) deciduous trees, c) coniferous trees. How many trees now have this grove? - Break time
Calculate how much 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 cost before the discount? - Six percents
6% of the base is 21. How much is 28% of this base?
- Initially 8117
The price of the T-shirt was initially 379kc. The T-shirt was reduced by 16%. How much does it cost now? - The sponsor
The school received money from the sponsor. She used one-third to buy computers and half of the rest to adjust the gym. It still has 4000 euros left. How many euros did the sponsor donate to the school? - Difference 7359
The apartment on the first floor has an annual rent of 10% higher than the same apartment on the second floor. The difference in the yearly rent is €105. What are the annual rent for the apartment on the first floor and the apartment on the second floor? - Budget plan
In the construction of the building, the planned budget exceeded 13%, which was 32,500 euros. How many euros did it cost to build the building? - Summer camp
Eighty-four children spent their holidays at the summer camp. There were eight fewer boys than girls. What percentage were boys and what percentage were girls?
- CZ flag
What percentage of the Czech flag comprises blue, white, and red textiles? - Percent 6567
Jana spent CZK 366 on books, which was 75 percent of her savings. How much CZK did Jana have saved? - Calculated 6501
Alenka calculated that reading ten pages of the book every day would take her 18 days. However, a week later, she decided to read 11 pages every day. How many days did it take her to read the book? - One-quarter 6369
According to research, one-quarter of pupils will encounter drugs at the end of primary school. Of this number, 40% of pupils try the drug. How many students attend Year 9 if 12 have signed up to use drugs? - Returned 6046
At what rate did the sparrow borrow 1,200 grape berries from the thrush when it returned 1,392 berries?
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