Arithmetic - math word problems - page 202 of 221
Number of problems found: 4417
- Five pumps
Three same pumps fill the tank with 50400 liters of diesel in 7 hours. How many liters of diesel will it take in 4 hours if we add two more of the same pumps and pump them the same way? How much more (or less) will they get if we add 2 of the same pumps a
- Elephants 2906
In 1979, 1.3 million elephants lived in Africa. By 1989, their number had dropped to 600,000. On average, how many elephants have died each year during this period?
- Probability 36081
There are 6 white and several red balls in the box. How many red balls must there be so that the probability of drawing a red ball is less than the probability of drawing a white ball or greater than the probability of drawing a white ball?
- Calculate 56641
The Hawaiian volcano Mauna Kea reaches a height of 4205 m above sea level. M. However, it is the highest peak on the whole Earth because its base is far below sea level. Calculate how long the volcano is hidden below sea level if the total height of the v
- Rounded 4526
Alfonz grew 150 melons with an average weight of 2.35 kg. He sold them for € 1.50 per kg. How much did he earn? The result is rounded to the euro.
- Interpretation 83015
A cargo boat with a total weight of 4,500t sailed from the river to the sea. Calculate by how many tons it is possible to increase the weight of the cargo on the boat at sea so that the draft remains the same as in the river. The density of river water is
- Five-digit 63424
How many five-digit numbers can we make from digits 2,3,4,6,7,9 if they can repeat with the digits?
- Five-digit
Find all five-digit numbers that can be created from number 12345 so that the numbers are not repeated and then numbers with repeated digits. Give the calculation.
- Weather
Weather. At 5:00 am, the temperature was 28°C, and at noontime, it rose by 9°C. By 4:00 PM, it dropped 3°C; by nighttime, it was 4°C less. What is the room temperature this time?
- Gas, lpg and diesel
Calculate how much it costs to drive 35000 km by car: a) a car with the consumption of 8l/100 km of LPG for 60 cents b) 7l/100 km of petrol for 1.33 euros c) 6 l/100 km of diesel for 1.2 euros. Calculate what is cheaper.
- Triangle 81484
Choose a triangle that is similar to the given triangle. - ∆ TFC= t= 8 cm, f= 9 cm, c= 7 cm. : ∆ PKU= p= 45 cm, k= 35 cm, u= 40 cm. ∆ UPK= u= 40 cm, p= 45 cm, k= 35 cm. ∆ PUK= p= 45 cm, u= 40 cm, k= 35 cm. ∆ KPU= k= 35 cm, p= 45 cm, u= 40 cm. ∆ KUP= k= 35
- Water
Mix 58 l of water with a temperature of 81 °C, 10 l warm of 54 °C, and 41 l water of 67 °C. What is the temperature of the mixed water immediately after mixing?
- Probability 49331
There are 1 to 20 start numbers in the draw. What is the probability that the first downhill raffle will draw a start number less than 6?
- On Tuesday 2
On Tuesday, the temperature at 9 AM at Camden's house was -4°Fahrenheit. By 4 PM, the temperature at his house was 8°Fahrenheit. Which statement about the change in temperature from 9 AM to 4 PM at Camden's house is true? Is house true? A. The temperature
- Brighton 31941
Two trains left London bound for Brighton. One at 14:00 and the other at 14:20. One train moves at a speed of 120/km per hour. Kinds 150/km per hour. How far apart will they be at three o'clock?
- Certificate 4615
Maroš received hockey cards as a reward after his certificate. The number of cards he received is twice the sum of the marks on his report card. Maroš has 8 subjects, and his average grade on his report card was 1.75. How many hockey cards did Maroš get?
- Average price
The sixth grade went on a trip to Moravia. Every 26 pupils paid CZK 320, and the school paid a total of CZK 3,510. What was the average price of a trip per student?
- Three-digit 72184
How many three-digit numbers can be created from the numbers 1, 2, 3, and 4 if you can repeat them?
- Temperature 71534
In the morning, they measured the temperature at 5.7 degrees Celsius. What will the temperature be when: A) warms by 6.3 degrees Celsius B) cools by 0.9 degrees Celsius C) cools down by 9 degrees Celsius and immediately warms up by 18.8 degrees Celsius D)
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