Posted by **Rachal** on Thursday, February 10, 2011 at 7:28pm.

You can answer any 8 questions from the 12 questions on an exam. In how many different ways can you choose the 8 questions, assuming that the order in which you choose the questions is irrelevant?

- Math -
**Ronaldo**, Thursday, February 10, 2011 at 7:38pm
you must use combination formula.

n!/r!(n-r)!

Sub values

12!/ 4! 8!

! is factorial.

- Math -
**Maphefo**, Sunday, April 17, 2011 at 6:44am
Yes

- Math -
**jennfer**, Monday, November 17, 2014 at 9:31pm
a student answers 75% on a math exam correct. If he answer 60 questions correctly How many questions are on the exam.

## Answer This Question

## Related Questions

- statistics - You can answer any questions from the questions on an exam. In how ...
- Math - An exam consists of six true-or-false questions. Assuming that every ...
- Grade 12 Data Management - There are 12 questions on an examination, and each ...
- math! - You have 48 minutes to take an exam of 21 questions. After you finish ...
- Algebra 2 - You have 48 minutes to take an exam of 21 questions. After you ...
- Math - For a calculus quiz, the teacher will choose 11 questions from the 15 in ...
- ap english exam - Does anyone know where I can find a free online copy of ...
- ALGEBRA - A student is asked to answer 7 out of 11 questions on an exam. In how ...
- ALGEBRA - A student is asked to answer 7 out of 13 questions on an exam. In how ...
- Combination - In a question paper there are two parts A and B . Part A contains ...

More Related Questions