Themes, topics - math word problems - page 125 of 159
Number of problems found: 3179
- Doubravka 4593
Eva will mow the garden in 4 hours, and Doubravka will cut it in 3 hours. How long would it take to mow the garden if Eva started an hour earlier and only Doubravka joined it?
- Z7-I-4 stars 4949
Write instead of stars digits, so the next write of the product of the two numbers is valid: ∗ ∗ ∗ · ∗ ∗ ∗ ∗ ∗ ∗ ∗ 4 9 4 9 ∗ ∗ ∗ ∗ ∗ ∗ 4 ∗ ∗
- Elevator 4590
The elevator goes from the 1st floor to the 6th floor for 50 seconds. How many seconds will it go from the 2nd floor to the 9th floor if it goes at the same speed all the time?
- Prescribed 4579
The racing ball for men has a prescribed weight of 7250g. It is made of iron. How does its diameter change if we make it from lead? The density of iron is 7.8 g / cm cubic, and the density of lead is 11.3 t / m cubic.
- Procedure 4578
I have to construct a triangle - procedure and solution side a = 7cm angle β = 40 median to side c: tc = 5cm
- Everyone 4572
Two workers completed the work in 12 days. If the other worked ten days longer than the first, how long would everyone work alone?
- Coolant
The driver filled the car coolant with a mixture of 3.9 liters and 2.6 liters of water antifreeze coolant. At what rate are these two components mixed?
- Strawberries 4564
Ten temporary workers collect 50 kg of strawberries per day. How many kilograms of strawberries do seven temporary workers collect per day?
- Workers
Nine workers dig a canal 120 meters long for eight hours. For how long would digging five workers' canals be 200 meters long?
- Way
If the current way to school were 2 km shorter, then if Milan swiped one-half, he would already have one-quarter of the way to school behind. How long is Milan's route to school?
- According 4543
Three workers received €2,850 for the work done. They divided them according to the time worked so that the first got 20% less than the second and the third €50 more than the second. How many euros did the second worker get?
- Pyramid Z8–I–6
Each brick of the pyramid contains one number. Whenever possible, the number in each brick is the lowest common multiple of two numbers of bricks lying directly above it. May that number be in the lowest brick? Determine all possibilities.
- Distance 4527
There are two points, K and L, KL = 4 cm. Draw a line p passing through point K and having a distance of 4 cm from point L.
- Wood lumber
Wooden lumber is 4 m long and has a cross-section square with a side of 15 cm. Calculate: a) the volume of lumber b) the weight of the lumber if 1 m³ weighs 790 kg
- Projection 4514
Draw an octagonal pyramid in free parallel projection if the length of the edge a = 3 cm and the height of the pyramid v = 6 cm.
- Passenger 4513
From two cities, A, and B, 210 km apart, two cars left at the same time at 8:00 AM opposite each other. A truck left place A at a speed of 60 km/h, and a passenger car left place B at 80 km/h. At what time did the cars meet?
- Together 4511
One tractor would sow the field in 3 hours and the other in 7 hours. How long before the fields grow together?
- Entrepreneurs 4509
The entrepreneur took out a business loan of 15,000 at an interest rate of 7.5% p. to start a business. a. The state subsidy for start-up entrepreneurs is 800 euros per year for three years and must be used to repay the loan. How much interest will the en
- Harvesters 4498
The first combine harvester will harvest the fields in 12 hours, and the second combine harvester in 8 hours. How long does it take for the same harvester to harvest the 3rd combine if all three harvesters harvest together in 2 hours?
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