Searching word math problems
Discover the latest math problems and word problems designed to deepen your understanding of mathematics. Solutions are explained simply and clearly so that everyone can follow along. Regular practice is the best way to succeed at school and in entrance exams. New problems are added every day — come back and practice more.Number of problems found: 19685
- Distribution if the IQ
Assume that the IQ in the population follows a normal distribution with a mean of 100 points and a standard deviation of 10 points. With what probability among 15 randomly selected people: a. Is there anyone with an IQ above 130 points? b. Are there at le - 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? - Scalar products
The vectors a = (3, -2), b = (-1, 5) are given. Determine the vector c for which a. c = 17; b . c = 3 - Cone slope
Determine the volume and surface area of a cone whose slope of length 8 cm makes an angle of 75 degrees with the plane of the base. - 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? - Four-digit eight count
How many four-digit numbers are there in which there are at least three eights - Number addition multiplication If I add 5 to this number, I get the same result as multiplying it by 5. What is that number?
- Sugarcane harvest yield
3.6 tons of sugarcane were harvested on the experimental plot of 0.2 ha. How many tons of sugarcane can be harvested on a plot of land of 18.6 hectares with the same yield per hectare? - Landing pad width
There is a 30 cm layer of sand in the landing area. Determine the width of the landing pad if its length is 5 m and the volume of sand in it is 2.7 m³. - Interest rate months
Calculate the interest rate if the principal amount of 500 is 5 euros in interest in 5 months. - Foundations dimensions
The house has foundations of 12x8 m. How many cubic meters of gravel do we need if we want to fill it to a depth of 10 cm? - Number difference quotient Multiply the difference between the numbers 13202 and 23 by the quotient of these two numbers.
- Number product third The product of the three numbers is 63,650. Find the third number if two of them are 25 and 67.
- Monogram letter combinations
Calculate how many different monograms (short name and surname) I can make from the letters A, E, M, Z, and K. a) with repetition: b) without repetition: - Notebooks - purchase
The teacher bought for her class (for each student), in which there are 15 students, notebooks for €0.30, books for €4.50 and special pens for €2.80. How much did they have left in the class fund when they had €200 there? - Carpet floor uncovered
In a rectangular room with dimensions of 3.5 m and 4 m, a square carpet with a side of 3 m is laid on the floor. How many m² of the floor is not covered by carpet? - Floor laying cost How much will we pay for laying a wooden floor in the living room of an apartment with dimensions of 40 dm and 50 dm if 1 square meter of wooden floor costs 12.4 euros?
- Resort nationality distribution
In the popular Italian resort of Caorle, there are only 4 nationalities. The resort has 3/20 Germans, 2/5 Czechs, 1/4 Austrians, and 500 Brits. How many tourists are there in total at the resort?
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