Tournament

Determine how many ways can be chosen two representatives from 34 students to school tournament.

Result

n =  561

Solution:

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

To solve this example are needed these knowledge from mathematics:

Would you like to compute count of combinations? See also our combinations calculator.

Next similar examples:

1. Examination
The class is 21 students. How many ways can choose two to examination?
2. Math logic
There are 20 children in the group, each two children have a different name. Alena and John are among them. How many ways can we choose 8 children to be among the selected A) was John B) was John and Alena C) at least one was Alena, John D) maximum one w
3. Chocolates
In the market have 4 kinds of chocolates. How many ways can we buy 23 chocolates?
4. Candy
How many ways can divide 16 identical candies to 4 children?
5. Pairs
From the five girls and four boys teachers have to choose one pair of boy and girl. A) How many such pairs of (M + F)? B) How many pairs where only boys (M + M)? C) How many are all possible pairs?
6. 2nd class combinations
From how many elements you can create 4560 combinations of the second class?
7. Commitee
A class consists of 6 males and 7 females. How many committees of 7 are possible if the committee must consist of 2 males and 5 females?
8. Party
At party overyone clink with everyone. Together, they clink 171 times. How many people were at the party?
9. Lines
In how many points will intersect 14 different lines, where no two are parallel?
10. N-gon
How many diagonals has convex 14-gon?
11. Rectangles
How many rectangles with area 3002 cm2 whose sides is natural numbers are?
12. Stacks
Annie has a total of \$ 702. The money must be divided into stacks so that each buyer has the same amounth of dollars. How many options she have?
13. Sales
From statistics of sales goods, item A buy 51% of people and item B buys 59% of people. What is the probability that from 10 people buy 2 item A and 8 item B?
14. Cancel fractions
Compress the expression of factorial: (n+6)!/(n+4)!-n!/(n-2)!
15. Word
What is the probability that a random word composed of chars H, T, M, A will be MATH?
16. Family
What is the probability that a family with 7 childrens have: exactly 5 girls? 7 girls and 0 boys? Consider the birth probability of a girl is 48.69% and boy 51.31%.
17. Bulbs
The probability that the bulb can operate 5000 hours is 0.16. What is the probability that exactly one of three bulbs can operate 5000 hours?