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## #1 2017-11-02 17:22:57

**shakeel123****Moderator**- Registered: 2017-09-21
- Posts: 50,796

### The factorial of a positive integer n is?

# ECAT Engineering Exams Quizzes MCQs Quizzes ECAT Engineering Entry Test 2017 Mathematics Permutations, Combinations and Probability

**Question:**

The factorial of a positive integer n is

**Option A):**

n! = n (n - 1)! (n - 2)!**Option B):**

n! = n (n + 2)!**Option C):**

n! = n (n - 1) !**Option D):**

n! = n (n - 2)!

**Correct Answer is Option C):**

n! = n (n - 1) !

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## 2017-11-02 17:22:57

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### Re: The factorial of a positive integer n is?

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