Basic operations and concepts - math word problems - page 288 of 332
Number of problems found: 6633
- Warmer weather
This morning the temperature was -6 °C. What was the temperature yesterday if it was three times warmer? - Kilometers in the city
If the distance between two cities is 15 kilometers, and the scale of the map is 1:300000, what is the distance on the map? - Dimensions of an aquarium
The large aquarium is shaped like a cuboid and has dimensions in the ratio 5: 7: 4. The sum of the lengths of all edges is 96 dm. How many liters of water will be in the aquarium if it is filled to four-fifths? - Freezer box calculation
The freezer box has internal dimensions of 900 mm, 0.75 m, and 6 dm. 30% of the space is filled with frozen peppers packed in boxes measuring 150 mm, 100 mm, and 50 mm. How many boxes are in the box? - Variations Class Comparison
From how many elements can we create six times as many variations of the second class without repetition as variations of the third class without repetition? - Refrigerator, lemonades
How many possible ways can we store three lemonades, four mineral waters, and two juices in the refrigerator next to each other? - Chocolates
In the market, we have 3 kinds of chocolates. How many ways can we buy 8 chocolates? - 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? - Compound Interest
If you deposit $6000 in an account paying 6.5% annual interest compounded quarterly, how long will it take for the account to have $12600? - A truck 2
A truck leaves the home with building materials and makes a return trip every six days. To deliver all the materials, you need eight truck trips every month. How many trucks do you need? - JUDr. Usury
Judge JUDr. Usury approved the agreement on guilt and punishment were confessed to paying daily interest 0.15%. How big is a yearly interest? The year has 365 days. - Block edge reduction
We will reduce one edge of the block with dimensions of 2 cm, 4 cm, and 6 cm by 20%. How does the volume of a block change? What percentage? - Tank water
Forty-eight liters of water are now in the vertical cylinder-shaped water tank. The water reaches a height of 27 cm. After an all-day downpour, water reaches a height of 72 cm. How much water will there be in the tank? - Cylindrical container
An open-topped cylindrical container has a volume of V = 3140 cm³. Find the cylinder dimensions (radius of base r, height v) so that the least material is needed to form the container. - 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. - Max - cone
The workshop must produce the greatest cone from the iron bar (shape = prism) with dimensions 6.2 cm, 10 cm, and 6.2 cm. a) Calculate cone volume. b) Calculate the waste. - The tangent line
Find the tangent line of the ellipse 9x² + 16y² = 144 with slope k = -1. - Roofer roof days
Three roofers cover a third of the roof in 10 days. In how many days would 5 roofers cover the entire roof at the same rate? - Population growth percentage The population increased from 29,000 to 31,500 in 5 years. Calculate the average annual population growth in percents.
- Wage variance deviation
A statistician monitored the variance of monthly wages and found its value to be 640,000. Determine the standard deviation of salaries after a one-off increase of: a) CZK 1,800, b) 5%.
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