Grade - math word problems - page 485 of 968

Number of problems found: 19345

Box and cubes
We have a box with dimensions of 20 cm, 16 cm, and 8 cm. How many cubes can fit in it if the cube has a size of 4 cm?
Triangle angle calculation
In an isosceles triangle, the angle at the primary vertex is 20 ° smaller than twice the magnitude of the angle at the base. What are the interior angles of a triangle?
The angles
The angles in the triangle are in the ratio 12:15:9. Find the angles.
Consecutive number LCM
Find the LCM of four consecutive natural numbers. Its sum is 42.
The farmer
A farmer calculated that his fodder supply would last his 20 cows for 60 days. He decided to sell 2 cows and one third of the feed. How long will the remaining feed last for the rest of the herd?
Screw weight calculation
There are 80 screws in the box with a total weight of 1.24 kg. The weight of one screw weighs 400 g. Screw weight calculated in grams
Defective product standard
The factory sets a standard that 2% of products may be defective. Last week, out of 1,250 products, 32 were defective. By how many defective products was the standard exceeded?
Lenka Lukas age
Helen is three times younger than her brother Luke; they are 20 years old. How old is Helen, and how many are Luke?
Garden raking time
Carl would rake the leaves in the garden alone in 24 minutes. His younger brother would take 30 minutes. How long would they dig a garden if Carl digs alone for 6 minutes and his brother comes to his aid?
The manufacturer
The manufacturer found that 3% of the plates produced had a malfunction. Of the complaint, 75% are first and 25% second. What is the probability of producing first and second-class plates?
Stadium perimeter steps
How many steps does a person mow a rectangular football stadium around its perimeter? The dimensions of the stadium are 100 m and 50 meters. The length of a person's stride is 75 cm.
Two tasks
A children's sandbox has the shape of a triangle, two sides measure equally 3 metres and the last one has 50 dm. Calculate the perimeter of the children's sandbox in mm. A children's mould has the shape of a triangle with all three sides of the same lengt
Class pupil distribution
There are a total of 56 pupils in three classes in the rural school. In the second grade, there are 20% fewer pupils than in the first grade, and in the third grade, there are 25% more pupils than in the second grade. How many pupils are there in each cla
Academy girl calculation
There are 180 pupils in the first year of the academy. Seven girls for every five boys, so there are how many girls in the year?
Probability
How probable is a randomly selected three-digit number divisible by five or seven?
Ratio calculation puzzle
Determine x in the ratio: 200:6 = x: 400
The coal
The coal stock would be enough to heat a larger room for 12 weeks and a smaller one for 18 weeks. It was heated for four weeks in both rooms, then only in the smaller one. Thus, the coal stock was enough for how long?
The right triangle
The right triangle ABC has a leg a = 36 cm and an area S = 540 cm². Calculate the length of the leg b and the median t2 to side b.
Chocolate and biscuit
Chocolate is twice as expensive as a biscuit. It costs CZK 8 more. How much is chocolate, and how much is a biscuit?
A particle
A particle moves in a straight line so that its velocity (m/s) at time t seconds is given by v(t) = 3t²-4t-4, t > 0. Initially, the particle is 8 meters from a fixed origin's right. After how many seconds is the particle at the origin?

Do you have unsolved math question and you need help? Ask a question, and we will try to solve it. We solve math question.