Themes, topics - math word problems - page 123 of 174

Number of problems found: 3477

Cook Island map
On the Cook Island map, the cycling trail measures 0.025 m. A cyclist moving at a constant speed of 15 km/h will cover the entire trail in 2/3 hours. Determine the scale of the Cook Island map.
Map Scale Aerial Distance
On the map, at a scale of 1:1100000, the aerial distance between Martin and Brezno measures 5.5 cm. Calculate the aerial distance covered by the helicopter when it flies from Martin to Brezno and back.
Bulbs - short lifespan
The life of the bulbs has a normal distribution with a mean value of 2000 hours and a standard deviation of 200 hours. What is the probability that the light bulb will last for at least 2100 hours?
Two Inlets Fill Tank
The first inflow fills the tank in 4 hours and the second tributary in 6 hours. How long will it take to fill both tributaries simultaneously, but the species will start an hour later?
Fruit harvest
Five workers harvested fruit in 150 hours. How many temporary workers have to work to harvest fruit in 250 hours?
Velocity calculation
Calculate the unknown velocity x if: 24 km/h. ... . .. .20 min x km/h. ... . .. .12 min
Triangles
Ivo wants to draw all the triangles whose two sides have a length of 4 cm and 9 cm, and the length of the third side is expressed in whole centimeters. How many triangles does he have?
On the map
A line 1.5 cm long corresponds to a line 3 cm long on the map. What is the scale of the map?
Granite cube statue
What is the weight of a granite cube with an edge length of 75 cm if one m³ of granite weighs 2.7 tons?
Three pumps
The water tank is emptied with the first pump in 6 hours and with the second pump in 2 hours. All three pumps had to be started at once to be emptied in 1 hour. How long will it take to empty the tank with only the third pump?
Cyclist meeting
Martha will leave Včelná on a bicycle at 12 km/h. From Holešovice, which is 32 km from the village of Včelná, at the same moment, Eve will drive towards it at a speed of 18 km/h. How long and where will they meet?
Hiking Time Each Way
The trip to the top of Konecara and back lasted 5 hours and 17 minutes. We rested at the peaks for 32 minutes. The way back took 51 minutes less than the way there. How long did the trip to the top take?
Train speed
The troop fired two guns from the same place at 10 minutes and 30 seconds intervals, but a person on a train approaching the place heard a second shot 10 minutes after the first. The speed of the train (in km/hr), supposing that sound travels at 340 m/s,
Glass Door Panel Weight
What is the weight of the glass door panel if it is 5 mm thick, 2.1 m high, and 6.5 d wide? The density of glass is 2.5 kg/dm³.
Non-bank loan
Mrs. Smetanová took a non-bank loan. The monthly fee is calculated using a basic fee. The basic fee of 60 Kč is each month multiplied by the number of months for which Mrs. Smetanová knows the money borrowed (1st month = 1 × 60 Kč, 2nd month = 2 × 60 Kč,
Yeast Cake Ingredients Sugar
Does the yeast cake contain milk, yeast, sugar, and flour in a ratio of 20:4:1:15. How much sugar do we need to make 160 kg of yeast?
Corridor step calculation
Jacob walked down the corridor in 24 steps, 45 cm long. How many steps will a janitor cross this corridor if his step is 72 cm long? How long is the headmaster if he walks 18 corridors?
Thunderstorm
The sound travels 1 km in about 3 seconds. How far is the storm if there is a time interval of 8 seconds between lightning and thunder?
Wood harvesting
The harvested wood is bundled from the forest to a sawmill. The driver makes the journey four times a day, and the work takes him eight days. How often would he have to go daily to finish the job two days earlier?
Cycling Race Route Length
Cycling races have 5 stages. They are 181 km, 212 km, 188 km, 207 km, and 189 km long. And how many kilometers is the entire route of the race? b, how many kilometers would it measure if the longest leg were halved? c, how many kilometers would it measure

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