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Post-UTME Mathematics 2016 Objective — Question 32

Question 32 of 60 from the Post-UTME Screening (Post-UTME) Mathematics 2016 Objective paper, with the correct answer and a full explanation.

Factorial 2. n(n-1) x .... x 3 x 2 x 1 = ?

A. n!Correct
B. ⁿCᵣ
C. ⁿPᵣ
D. n

Explanation

This is the definition of factorial, n!.

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