In how many ways can be divided gold, silver and bronze medal among 21 contestant?
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:
In the Hockey World Cup play eight teams, determine how many ways can they win gold, silver and bronze medals.
- Olympics metals
In how many ways can be win six athletes medal positions in the Olympics? Metal color matters.
- Football league
In the 5th football league is 10 teams. How many ways can be filled first, second and third place?
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.
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?
The city has 7 fountains. Works only 6. How many options are there that can squirt ?
- 2nd class variations
From how many elements you can create 6972 variations of the second class?
- Area codes
How many 6 digit area codes are possible if the first number can't be zero?
- PIN - codes
How many five-digit PIN - code can we create using the even numbers?
- Weekly service
In the class are 20 pupils. How many opportunities have the teacher if he wants choose two pupils randomly who will weeklies?
- 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?
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.
- Task of the year
Determine the number of integers from 1 to 106 with ending four digits 2006.
In the non-transparent bags are red, white, yellow, blue tokens. We 3times pull one tokens and again returned it, write down all possibilities.
- Count of triangles
Given a square ABCD and on each side 8 internal points. Determine the number of triangles with vertices at these points.
What are the chances that the lottery, in which the numbers are drawn 5 of 50 you win the first prize?