Learn combinations MCQs, math test for learning online courses and test prep to practice. Permutations, combinations and probability quiz has multiple choice questions (MCQ), combinations quiz questions and answers, circular permutation, examples of permutation, complementary combination, combinations tutorials for online math tutor courses distance learning.

College math practice test MCQ: 6p1 is equal to with choices 18, 12, 6 and 0 problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning combinations quiz with MCQs to practice test questions with answers.

MCQ. 6P1 is equal to

1. 18
2. 12
3. 6
4. 0

C

MCQ. 6P4 is equal to

1. 36
2. 360
3. 6
4. 4

B

MCQ. 6ι/8ι

1. 23743
2. 65
3. 56
4. ¹⁄56

D

MCQ. Factorial of a positive integer n is nι =

1. n(n-1)(n-2)(n-3)…3.2.1
2. (n-1)(n-2)(n-3)…3.2.1
3. (n-1)n(n-1)(n-2)(n-3)…3.2.1
4. (n-2)(n-3)…3.2.1

A

MCQ. nP2 = 30→n =

1. 6
2. 4
3. 5
4. 720

A