Latest word problems - page 4 of 5
Number of problems found: 81
- At night
On the night from Thursday to Friday, the temperature on the thermometer dropped to −7°C. On Friday at noon, the temperature rose by 13°C, and in the evening, the temperature dropped by 11°C. On Friday evening, the thermometer showed the temperature: - In the middle 2
In the middle between the unknown number and the number 30 is the number 12. Determine the unknown number. - Dielectric change
An air capacitor with straight plates has a capacitance C0 = 10 pF and a plate distance d = 1 cm. We place a sheet of thickness ∆= 1 mm in the middle between the plates. What will be the capacitance of the entire device? (Marginal effects can be neglected - Conductor - induction
A conductor in the shape of two circular turns with radii of R=5 cm is placed in a magnetic field with induction B=0.6 T perpendicular to the direction of induction. What is the electromagnetic voltage induced in this conductor when the magnetic field dis - From the intersection
From the intersection to the school is 6/5 km, to the shop 9/10 km, to the bank 5/8 km, and to the park 21/8 km. Which place is closest to the intersection? - Asphalt - rolling
A roller for rolling asphalt has a diameter of 80 cm and a width of 1.2 m. How many square meters of road does it roll if it turns twenty times? - Rebecca
Rebecca bought 6 chocolates for 4 euros each, and Agatha bought 7 chocolates for 7 euros each. How much did the girls pay together? - Meat 5
2.4 kg of meat costs 292 CZK in the store. How much meat of the same type can I buy here for 2482 CZK? - On a job
On a job, Peter harvested 150 kg of apples, and John harvested 130 kilograms of apples. They divided the reward of 2660 CZK in proportion to the apples harvested. How much did each receive? - Path 11
A path 1.5 meters wide is to be built around the perimeter of a square plot of land with a side of 28 meters. By how much will the area of the plot be reduced? - Solve R
Solve the equation with brackets: 5×(2u-9)-8×(0.5-3u)=4×(7u-1)-3 - Servings for a dog
Jana is going to eat two sausages for dinner, and Ondrej is going to eat 4 sausages. A stray dog came, and they each gave him half a sausage. Who gave him more (meaning gave him a larger share of his portion)? - Branded
Branded sneakers are now selling for 2394 CZK. The seller reduced the original price by 5%. He reduced the new price by another 10%. What was the original price? How much was the total discount? How much of the original price is 21% VAT? - Apple Day I had 20 apples. How many apples do I have now if I ate 2 and gave 5 away?
- How many 147
How many consecutive natural numbers from 1 to n do you have to add up at least so that their sum exceeds 1000000? - Quarter of some number
A quarter of an unknown number increased by one hundred is fifty. What is the unknown number? - Spherical sector
Calculate the volume and surface area of a spherical sector if the spherical segment that is part of the sector has a base radius r1 = 6 cm and a height v = 2 cm. - Third angle
What is the third angle of a triangle if the first two angles have sizes 50° and 60°? - Calculate the cylinder
Calculate the volume of the cylinder, given: S = 144π cm² height = 6 cm - Morse code 2
We have two characters, a dot and a comma. How many two-element and how many three-element characters can be created with repetition?
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