SOLUTION: You can answer any 20 questions from the 24 questions on an exam. In how many different ways can you choose the 20 questions, assuming that the order in which you choose the questi
Algebra.Com
Question 1080015: You can answer any 20 questions from the 24 questions on an exam. In how many different ways can you choose the 20 questions, assuming that the order in which you choose the questions is irrelevant?
(If necessary, consult a list of formulas.)
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
The relevant notion/comception in Math is called "combinations".
On combinations, see the lessons
- Introduction to Combinations
- PROOF of the formula on the number of Combinations
- Problems on Combinations
in this site.
Also, you have this free of charge online textbook in ALGEBRA-II in this site
- ALGEBRA-II - YOUR ONLINE TEXTBOOK.
The referred lessons are the part of this online textbook under the topic "Combinatorics: Combinations and permutations".
The answer to your question is: your number is = = 10626.
Happy learning !!
RELATED QUESTIONS
You can answer any 18 questions from the 23 questions on an exam. In how many different... (answered by DrBeeee)
You can answer any 8 questions from the 12 questions on an exam. In how many different... (answered by rothauserc)
You can answer any 15 questions from the 18 questions on an exam. In how many different... (answered by richard1234)
In how many ways can you answer the questions on an exam that consist of 7 true-false... (answered by scott8148)
A TEST CONSISTS OF 20 PROBLEMS AND STUDENTS ARE TOLD TO ANSWER ANY 10 OF THESE QUESTIONS. (answered by Tatiana_Stebko)
You are given an exam with 22 questions and may choose 2 not to answer, how many ways can (answered by Alan3354)
If you can answer any 12 questions from total of 15 questions, how many different ways... (answered by jim_thompson5910)
This problem involves combinations.
A student must answer nine of the thirteen... (answered by Edwin McCravy)