Ratio - math word problems - page 81 of 84
Number of problems found: 1667
- Mast
A mast casts a shadow of length 16 on a slope that rises from the base of the mast in the direction of the shadow at an angle of 9.7°. Determine the height of the mast if the sun is at an angle of 40°48'° above the horizon. - Cyclist
A cyclist rides 7 km uphill in 46.9 minutes and the same distance downhill in 15.4 minutes, applying the same force to the pedals throughout. How long would it take to cycle the same 7 km on flat ground? - Book
The printer used 4201 digits to number the pages of the thick book. How many pages does this book have? - Expansion
If one side of a rectangle is multiplied by 2 and the other side by 4, by what percentage does the area increase? - Floor
A room has a floor area of 33 m² and a width of 4 m. What is the perimeter of the room as shown on a map at scale 1:75, measured in centimetres? - Daily average
Calculate the average temperature during the day if the temperature was 24 °C for 14 hours and 14 °C for 10 hours. - Car - simple
A car is travelling at 77 km per hour. What distance does it cover in 1 minute? - Potatoes
Potatoes contain 77.6% starch. How many potatoes need to obtain 71.8 kg of starch? - Map
A forest has an area of 77 ha. What area does it occupy on a map at scale 1:10000? - Inflation
What is better for people (employees)? ... - Pipeline
By what percentage does the cross-sectional area of a pipe decrease if the circular cross-section is replaced by a square with the same perimeter? - Money
Everyone complains about a lack of money. In reality, there is no shortage of money — only a relative scarcity of goods and services. By what percentage would the prices of all goods and services immediately rise if everyone suddenly had 9 times more mone - Pumps
A tank is filled by two pumps working together in 23 minutes. The first pump alone fills the tank 37 minutes faster than the second pump alone. How long does it take the first pump to fill the tank on its own? - Center traverse
Does the midsegment of a triangle bisect its area? - Ratio v2
Decrease in the ratio 8:16 number 20.2. - Ratio Increase the number 25.6 in the ratio 7:4.
- Pipes
A water pipe has a cross-section of 1903 cm². In one hour, 859 m³ of water flows through it. How much water flows through a pipe with a cross-section of 300 cm² in 11 hours, if the water flows at the same speed? - Gear wheels
Two meshing gear wheels have tooth counts of z₁ = 43 and z₂ = 154. Calculate the speed of the first wheel if the second wheel rotates at 766 revolutions per minute. - Minute angle
Find the angle swept by the minute hand of a clock in 30 minutes. - Tree trunk
Calculate the average diameter of a tree trunk whose circumference is 192 cm.
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