Variations
Determine the number of items when the count of variations of fourth class without repeating is 42 times larger than the count of variations of third class without repetition.
Result
Result
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Task of the year
Determine the number of integers from 1 to 106 with ending four digits 2006. - Metals
In the Hockey World Cup play eight teams, determine how many ways can they win gold, silver and bronze medals. - Combinatorics
The city has 7 fountains. Works only 6. How many options are there that can squirt ? - Disco
On the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples? - Elections
In elections candidate 10 political parties. Calculate how many possible ways can the elections finish, if any two parties will not get the same number of votes. - Tokens
In the non-transparent bags are red, white, yellow, blue tokens. We 3times pull one tokens and again returned it, write down all possibilities. - Football league
In the 5th football league is 10 teams. How many ways can be filled first, second and third place? - Medals
In how many ways can be divided gold, silver and bronze medal among 21 contestant? - Olympics metals
In how many ways can be win six athletes medal positions in the Olympics? Metal color matters. - Neighborhood
I have 7 cups: 1 2 3 4 5 6 7. How many opportunities of standings cups are there if 1 and 2 are always neighborhood? - Count of triangles
Given a square ABCD and on each side 8 internal points. Determine the number of triangles with vertices at these points. - Weekly service
In the class are 20 pupils. How many opportunities have the teacher if he wants choose two pupils randomly who will weeklies? - Teams
How many ways can divide 16 players into two teams of 8 member? - Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started? - PIN - codes
How many five-digit PIN - code can we create using the even numbers? - Probability
What are the chances that the lottery, in which the numbers are drawn 5 of 50 you win the first prize? - Three workshops
There are 2743 people working in three workshops. In the second workshop works 140 people more than in the first and in third works 4.2 times more than the second one. How many people work in each workshop?
Determine the number of integers from 1 to 106 with ending four digits 2006.
In the Hockey World Cup play eight teams, determine how many ways can they win gold, silver and bronze medals.
The city has 7 fountains. Works only 6. How many options are there that can squirt ?
On the disco goes 12 boys and 15 girls. In how many ways can we select four dancing couples?
In elections candidate 10 political parties. Calculate how many possible ways can the elections finish, if any two parties will not get the same number of votes.
In the non-transparent bags are red, white, yellow, blue tokens. We 3times pull one tokens and again returned it, write down all possibilities.
In the 5th football league is 10 teams. How many ways can be filled first, second and third place?
In how many ways can be divided gold, silver and bronze medal among 21 contestant?
In how many ways can be win six athletes medal positions in the Olympics? Metal color matters.
I have 7 cups: 1 2 3 4 5 6 7. How many opportunities of standings cups are there if 1 and 2 are always neighborhood?
Given a square ABCD and on each side 8 internal points. Determine the number of triangles with vertices at these points.
In the class are 20 pupils. How many opportunities have the teacher if he wants choose two pupils randomly who will weeklies?
How many ways can divide 16 players into two teams of 8 member?
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
How many five-digit PIN - code can we create using the even numbers?
What are the chances that the lottery, in which the numbers are drawn 5 of 50 you win the first prize?
There are 2743 people working in three workshops. In the second workshop works 140 people more than in the first and in third works 4.2 times more than the second one. How many people work in each workshop?