Maths practice for 12-year-olds - page 210 of 309
Examples and word math problems for 7th grade.Number of problems found: 6173
- Together 5863
Bus A will travel its route in 15 minutes, and bus B will travel its way in 25 minutes. They left together for the first time at 5 a.m. When will they meet again at the site? - President's 5862
For the opening ball of the season, the president's wife bought a necklace with a bracelet for 768 euros. How much did the necklace cost, and how much did the bracelet cost if the bracelet was 40% off a) cheaper, b) more expensive than the necklace? - 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? - Applications 5859
2600 pupils applied for admission interviews, which was 130% of the expected number. How many applications were expected?
- Isosceles from square
How many isosceles triangles form in a square when we mark all diagonals? - Harvesters 5853
One combine harvester harvests a wheat field in 12 hours, and another combine harvester in 16 hours. How long does the same field harvest the third combine harvester alone if all three harvesters harvest the wheat field in 2 hours? - Difference 5847
I reduced the unknown number by five and multiplied the result difference by three. Finally, I increase the resulting product by six and get the least common multiple of the numbers 3 and 8. Calculate the unknown number. - Describe 5845
The tower clock has a small hand 1 m long. What path will the tip of the little hand describe in 1 day? - Together
Grandfather, father, and son are carpenters. They decided to make a wardrobe. Father produces it for 12 hours, his son for 15 hours, and grandfather for 10 hours. How long will they make it together?
- In and out
The empty tank is filled in 12 minutes and empty in 16 minutes. How long does it take to fill if we forget to close the drain? The tank has 1000 liters of volume. - Cyclists 5827
Cyclists ran 3/7 of the total length during the race and had 80.5 km to finish. How long is the race? - Watering 5813
The garden hose flows 21 1/2 liters of water in one minute. How many liters of water are used for water in 8 1/2 minutes? - Milk
At the kindergarten, every child got 1/5 liter of milk in the morning and another 1/8 liter of milk in the afternoon. How many liters were consumed per day for 20 children? - Proportion 5811
In what proportion do we need to increase the length of the picture frame if its original length is 55 cm and 30 cm larger?
- Traveling 5808
The diameter of the wheel is 56cm. How often does it turn in 5 minutes if traveling at 60km / h? - Railroad
The railroad runs parallel to the railway. The train travels at 36 km/h on track. In the opposite direction, the motorcycle rides at 90 km/h. The train passes in 3 seconds. How long is a train? - Three-fifths 5801
Anka bought one whole 5 liters of mineral water for trip one and drank three-fifths of it. How many liters of mineral water are left? - Natural gas in kWh
Gas consumption for 2017 was 11,301 kWh I paid 532 € How much is 1 m³? - Installed 5793
A group of fitters installed the cable line in 9 changes, and the second group completed the same task in 1/3 less time. How many shifts would the third group do the same work if, with all three groups working together, the assembly took 2 shifts?
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