Basic operations and concepts - math word problems - page 237 of 319
Number of problems found: 6371
- Apprentice
The master helped the apprentice complete part of the task, the apprentice completed the rest himself. It turned out that the time needed to complete the task was three times shorter than if the apprentice had completed the task himself. How many times mo - Richard's numbers Z8-I-2 2019
Richard was playing with two five-digit numbers. Each consisted of different digits, which in one were all odd and in the other all even. After a while, he found that the sum of these two numbers starts with the double digit 11 and ends with the number 1 - Fruit juice
Fruit juice contains 37.5% sugar. How much percent of sugar will be in the flavored mineral that we prepare from 100 grams of fruit juice and 1.4 liters of mineral? (1 liter = 1 kg) - 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? - Efficient 82615
Six maids in a hotel make 200 beds in 2 hours. Calculate how long five equally efficient maids would take to make these beds. Enter the result in minutes. Calculate how long three equally efficient maids would take to make 100 identical beds. Express the - Resistances 80706
The current I = 4A branches into three wires with resistances R1 = 2Ώ, R2 = 5Ώ, R3 = 10Ώ. Calculate the total resistance of the connection and the voltage of the source. How big are the currents in each wire? - Interest 66484
The bank provides loans with an interest rate of 5% pa. How much interest will you pay if you borrow 5,000 euros for: A) 1 year B) 1/2 year C) 1/4 year D) 5 years?
- The transformer
The transformer's primary coil has 1100 turns and is connected to a voltage of 220 V. How many turns does the secondary coil have when it has a voltage of 55 V? Determine the transformation ratio and decide what the transformation is. - Measurement 12251
The measurement showed that a current of 160 mA flows through the appliance at a voltage of 4 V. What current flows through this appliance when connected to a voltage of 12 V? - Deposited 7096
Mr. Novák deposited CZK 50,000 a year in the bank at an annual interest rate of 4%. How much will pre-tax interest be after one year? - Relative 6999
The crawler tractor travels at a speed of 5 m/s. How fast are the top and bottom of the tractor belt relative to the road surface? - School 6127
The gym at the school is 12 m wide and 1800 cm long. Draw it on a scale of 1:500 - Resistors 5915
If the current flowing through the first resistor is 200 mA and the second is 0.4 A, what will be the ratio of the first and second resistors connected in parallel? - Identical 5362
120 hl of water flows out of the tank through 4 pipes in 16 hours. How much water flows through 5 identical pipes in 14 hours? - Deposited 83236
On March 24, we deposited €5,400 into the savings bank. How much interest will we earn until the end of the year, when the savings bank provides 4.2% interest on this type of deposit?
- Manufacturer 67024
The car manufacturer states that the car consumes an average of 6.8 liters of gasoline per 100 km. How many liters of petrol does it use for a 348 km journey? - Holidays with grandmam
We packed three white, red, and orange T-shirts and five pairs of pants—blue, green, black, pink, and yellow. If we put on a different combination of clothes every day, how many days can we spend with the old mother? - Lunch
Seven classmates go every day for lunch. If they always come to the front in a different order, will it be enough school year to take off all the possibilities? - Birthday boy 2
In how many ways can seven people be seated around a table so that the birthday boy sits at the head? - Created trio What is the probability that in the created trio, which consists of 19 boys and 12 girls, they will be: a) the boys themselves b) the girls themselves c) 2 boys and one girl?
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