Basic operations and concepts - math word problems - page 280 of 321
Number of problems found: 6419
- Water container
The container with water weighs 1.48 kg when we cast 75% of the water content of water weight 0.73 kg. How heavy is an empty container? - Barrel 3
The barrel with water weighs 118 kg. When we get off 75% of water, it weighs 35 kg. How many kg has an empty barrel? - Water tank
There is water in the block-shaped tank with dimensions of 3 m, 1.5 m 5 m. It occupies 70% of the tank volume. Find the volume of water in the tank (in hl). - Tank
1080 hectoliters of water were flowed into a cuboid tank whose bottom dimensions are 9 m and 15 m. This filled 40% of the tank's volume. Calculate the tank's depth. - Solutions, mixtures
We have 2 liters of 20% solution available. How much 70% solution do we need to add to get a 30% solution? - The orchard
Four temporary workers harvested the orchard in 9 days. How many temporary workers do we need for six days? - Octane value
I loaded 10L 95 octane gasoline and 5L 100 octane gasoline. What is the resulting octane value of the gasoline in the tank? - Profit growth
A company's profit increased by 25% during 1992, increased by 40% during 1993, decreased by 20% in 1994, and increased by 10% during 1995. Find the average growth in the profit level over the four years. - Dolls
Dorotka cut the doll's way out of two batches. She was always left with one more doll, with every two dolls cut out. How many dolls did they cut in total if the number counted 16 of them in the first cut-out? - Consecutive 47011
The sum of two consecutive odd numbers is 184. What are these numbers? - Floating floor
In the new building, a floating floor worker is considered in each room. Thirty minutes lay 9 m² of the floor. How long did three workers lay the floor in four rooms with a total area of 90 m²? - Powerful 82250
In 5 minutes, it pumps 1240 l of water with the pump. Can two equally powerful pumps pump 500 liters of water in 1 minute? - Car model
The car model is 52 mm long, and the real car is 4524 mm long. What was the scale of the model car? - Classroom clock
On a classroom clock, the large (minute) hand on the clock will travel through an angle of 120 degrees in some time. What angle does the small (hour) hand pass in this time? - Deposit account
How much money will be in the account after ten years if you deposit $4500 at a quarterly 5% annual interest compound? - The tangent line
Find the tangent line of the ellipse 9x² + 16y² = 144 with slope k = -1. - Two dice
We roll two dice. What is the probability that the sum of the falling numbers is greater than 3? - Four-digit numbers
Find all four-digit numbers whose decimal notation begins with a six and ends with a two and is divisible by 24. - Interest 81982
The bank offers interest on the deposit of 4 percent per annum. In how many years will the deposit double? - Newspapers 13781
Ten machines produced newspapers in 18 hours, and two machines rang for 2 hours. Thus, the production took 18 hours.
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