Examples for secondary school students - page 211 of 213
Number of problems found: 4256
- Morse alphabet
Calculate how many words of Morse code to create compiling dashes and dots in the words of one to four characters. - Examination
The class is 25 students. How many ways can we choose 5 students for examination? - Teams
How many ways can we divide 16 players into two teams of 8 members? - Tournament
Determine how many ways can be chosen two representatives from 34 students to school tournament.
- Guests
How many ways can 8 guests sit down on 10 seats standing in a row? - Tangents
To circle with a radius of 41 cm from the point R guided two tangents. The distance of both points of contact is 16 cm. Calculate the distance from point R and circle center. - RT - hypotenuse and altitude
The right triangle BTG has hypotenuse g=117 m, and the altitude to g is 54 m. How long are hypotenuse segments? - Elections
In elections, candidates 10 political parties. Calculate how many possible ways the elections can finish if two parties do not get the same number of votes. - Confectionery
The village markets have 5 kinds of sweets. One weighs 31 grams. How many different ways can a customer buy 1.519 kg sweets?
- Chords
How many 4-tones chords (chord = at the same time sounding different tones) is possible to play within 7 tones? - 2nd class combinations
From how many elements can you create 2346 combinations of the second class? - 2nd class variations
From how many elements can you create 5112 variations of the second class? - Football league
In the 5th football league is 10 teams. How many ways can be filled first, second, and third place? - Circle arc
The circle segment has a circumference of 135.26 dm and 2096.58 dm² area. Calculate the radius of the circle and the size of the central angle.
- Big factorial
How many zeros end number 116! ? - Geometric progression
Fill 4 numbers between 4 and -12500 to form a geometric progression. - 3y inflation
The price of the roll rise in the first year by 9%, the second year fell by 5%, and in the third year increased by 3%. Calculate the average annual increase in the price of the roll. - Inflation
Once upon a time, the tsar owned a money printer and printed and printed. Printing money prices went up in the first year 2.7 %, in the second 2.1%, in the third 3.6%, and in the fourth 5.4%. Then tsar failed in the election. Calculate the average annual - Triangle ABC
Right triangle ABC with right angle at the C, |BC|=19, |AB|=32. Calculate the height of the triangle hAB to the side AB.
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