Per mil - practice for 14 year olds
Number of problems found: 43
- Calculate 72994
Calculate 50 per mille of 340. - Permill
How many per mills is 978 from 84370? - Bracelet
The silver bracelet weighs 62g and contains 59g of silver. What is the purity of the bracelet? - Insect spraying
In 600 ml of spraying is 5 ml of an active ingredient. How much is it per mile? - Decimal 26301
Write the per mille as a decimal number 2 ‰ 50 ‰ 2.5 ‰ 0.6 ‰ - Determine 7468
Determine the base if 2.8 per mille is 50. - The gold coin
The gold coin contains 900 per mille of pure gold. The coin weighs 950g. How much per mille is gold? How many grams are gold? - Calculate 39313
The road rises by 8 m to 2000 m. Calculate its ascent in per mille. - Calculate 13631
Calculate 1.5 ‰ out of 85% out of 240 - Gold coin
The gold coin contains 962 permille pure gold, which is 7.5 g. What is the weight of the coin in grams? - The silver
The silver ring weighs 10 grams. The ring contains 850 per mille of pure silver. Calculate the amount of pure silver in grams. - Permille of alcohol
I have 2 per mille of alcohol in my blood. How many milliliters is it when I have 5 liters of blood? - Contains 36193
The silver bracelet with a purity of 925 per mille contains 25.9 g of silver. What is the weight of the bracelet? - The railway
The railway line has a gradient of 12 per mille. How many meters will it ascend to a horizontal distance of 4 km? - Lift
The largest angle at which the lift rises is 16°31'. Give climb angle in permille. - Two municipalities
The horizontal distance between municipalities is 39 km. The average sinking is 7 per mille. What is the difference in height between these municipalities? - Dividends
The three friends divided the win by the invested money. Karlos got three-eighths, John 320 permille, and the rest got Martin. Who got the most and which the least? - Straight 21243
The straight railway line has a gradient of 16 permille. What is the size of the pitch angle? - Preparation 3992
4 per mille of active ingredient is needed per 6 liters of water to prepare sprays. How many milliliters of active substance do we add to the sprays? - Climb
For horizontal distance 4.2 km, road rise by 6.3 m. Calculate the road pitch in ‰ (permille, parts per thousand).
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