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Permutations and Combinations Questions - Permutations and Combinations Quiz Details
| Online Test Name |
Permutations and Combinations |
| Exam Type |
Multiple Choice Questions |
| Category |
Aptitude Quiz |
| Number of Questions |
53 |
In this section, we have discussed Permutations and Combinations Quiz details. The above table states the overview of the Permutations and Combinations
MCQ Quiz, the number of questions, exam type, and category. Aspirants who are eagerly waiting to attend the Permutations and Combinations Online Test can
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Permutations and Combinations Aptitude Questions
Candidates need to check the basic info that we are providing in this section that is Permutations and Combinations Aptitude Multiple Choice Questions and
Answers. To attend any online test aspirants have to know some initial steps. Before visiting the Permutations and Combinations Online test aspirants need to
know the pattern of the quiz and the instructions that you need to follow. In this Permutations and Combinations Quiz, candidates have 53 questions. There is
no time limit allocated for the exam. Moreover, there are no negative marks in the Permutations and Combinations quiz.
Permutations and Combinations Formulae
1. Factorial Notation - Let n be a positive integer. Then, factorial n denoted n! is defined as:
n! = n(n - 1)(n - 2) ... 3.2.1.
2. Number of Permutations - Number of all permutations of n things, taken r at a time, is given by:
nPr = n(n - 1)(n - 2) ... (n - r + 1) = n!/(n - r)!
3. Then, the number of permutations of these n objects is = n!/(p1!).(p2)!.....(pr!)
4. Number of Combinations - The number of all combinations of n things, taken r at a time is:
nCr = n!/(r!)(n - r)! = n(n - 1)(n - 2) ... to r factors/r!
Permutations and Combinations MCQ Quiz Answers With Solutions
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