Themes, topics - math word problems - page 48 of 169

Number of problems found: 3370

An aircraft 2
An aircraft jet engine has a thrust of 80 kN. What impulse is produced in 30 seconds?
Swimming pool
Thaddeus set off on foot to the swimming pool, which is 18 km from his residence. The trip took him two and a half hours. An hour later, his brother William met him on his bicycle, whose journey took three-quarters of an hour. a) Show the described situat
Restaurant waiter guests
The restaurant was fully booked at lunchtime. While only three waiters staffed the restaurant, guests waited an average of 45 minutes for the lunch menu. On average, how many minutes will the guests wait if the three waiters are joined by two more waiters
Bakery worker output
A bakery worker makes 300 rolls more than an apprentice in 2 hours. In 4 hours, they both made 9800 rolls together. What are the hourly output of the worker and the apprentice individually?
Plot map sides
The triangular plot has dimensions of 90 m, 110 m, and 130 m. The land is drawn on a map with a scale of 1:2000. Find the lengths of its sides on the map in centimeters.
Kuba four-digit number
Jake wrote down a four-digit number containing two even digits and two odd digits. If he crossed out both even digits, he would get a number four times smaller than if he crossed out both odd digits. What is the largest number with these characteristics t
Jana Petra windows
Jane can wash 20 windows alone in 4 hours. Petra can do the same job in 6 hours. How long will it take them working together?
Bricklayer student wall
A bricklayer can repair a wall by himself in 30 minutes. His students would take an hour. How long will it take them working together?
Bratislava BA-BB
A truck drove from Bratislava to Banská Bystrica at a speed of 30 km/h. At the same time, a tractor drove at a speed of 40 km/h. The tractor arrived in Banská Bystrica 1 hour and 45 minutes earlier than the truck. What is the distance between the cities?
Triangle and axes
Draw any triangle. Make the axis of its two sides. Their intersection is point S. (a) Measure the distance of point S from all three vertices (b) Draw the axis of the third side.
Children room plan
An architect has two plans for the same apartment at different scales. On the first plan, at a scale of 1:20, the length of the children's room is 20 cm. What is the children's room size on the second plan, on a scale of 1:50?
Cyclist stage speed
In the first stage, the cyclist covered 70 km at a speed of 22.1 km/h. In the second stage, he covered 40 km (a total of 110 km), and his overall average speed increased to 22.9 km/h. What average speed did he achieve in the second stage?
Casting alloy weight
The metal casting consisted of copper and zinc. If we remelted it with 3 kg of pure copper, we would get an alloy containing 80% copper. Instead, we remelted the casting with 3 kilograms of pure zinc, so the resulting alloy contained only 50% copper. Dete
Pool inlet filling
We can fill the pool with two inflow pipes. The first pipe fill in 24 hours and the second in 16 hours. How long did the pool fill if the first tube was open for the first 4 hours and then we opened both inlets?
Highway section length
A passenger car drove a highway section at a constant speed. At a speed of 20 km/h higher, the ride would take 6 minutes less. At a speed of 20 km/h lower, it would take 9 minutes more. Calculate the length of the highway section.
Bricklayer apprentice wall
A bricklayer and an apprentice can build a wall together in 6 hours. Working alone, the bricklayer would finish 5 hours sooner than the apprentice. How long would it take the bricklayer to build the wall by himself?
Delivery scrap percentage
In the first delivery of 120 parts, there was 5% waste. In the second delivery in which, 10% of the 80 were scrapped. How much scrap was brought in with the first and second deliveries combined? What % of scrap was there in both deliveries of parts, out o
Mountain and hiker
The hiker set out on a hike at 5 km/h. After 30 minutes, a cyclist on a mountain bike set off on the same route at 20 km/h. After how many minutes will the cyclist overtake the hiker?
Dining room lineup
If the boys let the two girls in front of them, how many different ways can Annie, Betty, Cyril, Daniel, and Eric line up in the dining room?
Two-digit number creation
How many natural two-digit numbers can we form from the digits 0, 1, 2, and 3 if the numerals cannot be repeated in these numbers?

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