Themes, topics - math word problems - page 26 of 174

Number of problems found: 3477

Milk fat skimming
The dairy produces semi-skimmed milk (with 1.5% fat content) by skimming part of the fat from full-fat milk (with 4% fat content). 1 ton of semi-skimmed milk is produced from how many kilograms of fat milk?
Cyclist resistance work
A cyclist rides along a horizontal path at a constant speed, overcoming a total resistance force of 20 N. What work does he do on a 5 km track?
Horse water supply
The water supply is enough for 12 horses for 16 days. How many horses will this supply of water last for 12 days?
Rectangle and squares
A 9 cm × 15 cm rectangle is divided into unit squares. How many paths are there from one rectangle vertex to the opposite vertex if one can only go to the right and up the sides of the squares?
Appliance voltage current
The voltage at the terminals of the appliance is 4.5 V. A current of 0.5 A passes through the appliance. What voltage must the appliance have if a current of 0.7 A is to pass through it?
Loan interest payment
You borrowed €2000 for 3 months. What amount must you pay back if the lender charges a 15% interest rate per annum?
Saving problem
We want to save €25,000. We deposit €3,000 annually, and the interest is 4.4% (interest tax is 19%). How many years do we have to save?
Forest plan section
The forest strip is 450 m long. Calculate the section length that expresses this dimension on the 1:12500 scale plan.
Body glycerol volume
They will calculate the volume of a body that stretches the force gauge in the air with a force of 80 N. After immersion in glycerol with a density of 12 kg. m-3 is a load cell stretched by a force of 30 N.
Pipe water radius
5 m³ of water flows through the pipe in 1 second at a maximum speed of 2 m/s. What is the pipe radius?
Hotel theft suspicion
At the time of the theft, there were 96 people in the hotel; 61 were beyond suspicion. Of the 47 employees at the hotel, 23 are beyond suspicion. How many guests are not beyond suspicion?
Together sewing
Eve sews a costume in 6 hours, Ivana in 8 hours, and Monica in 4 hours. How long will it take them to make the costume if they work together?
Interest rate months
Calculate the interest rate if the principal amount of 500 is 5 euros in interest in 5 months.
Afforestation workers
During afforestation, two workers planted 80 seedlings in 2 hours. At the same output, how many seedlings did 6 workers plant in 5 hours?
Position of digits
Find a number with six digits. If you put the last digit before the first, you get a new number that is five times larger. The digits between must not change their position.
Deposit double years
The bank offers interest on the deposit of 4 percent per annum. In how many years will the deposit double?
Gear wheel rotation
Two gears mesh together. The larger wheel has 56 teeth, and the smaller wheel has 20 teeth. How many times does the smaller wheel turn if the larger wheel turns 15 times?
Passenger train
At 9:15 AM, a passenger train passes a station at a speed of 75 km/h. At 10:00 AM, an express train passes through the same station in the same direction at a speed of 120 km/h. Both trains arrive at the same destination station at the same time. a) At wh
Plane sound echo
A plane flying at 612 km/h speed sent a sound signal. In front of the aircraft (in the direction of flight), there is a fixed object at a distance of 3 km, from which the sound is reflected back to the plane. How long will it take the pilot to hear the ec
Team time percentage
All three team members took turns fulfilling the competition task without delay. The first member used up 30% of the total competition time. The second needed 10 minutes more than the first, and only 10 minutes remained for the third. What % of the total

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