Bank Exams Exam > Bank Exams Videos > Tips & Tricks for Government Exams > Tips & Tricks: Permutation & Combination
Permutation and Combination Tips and Tricks for Government Exams
FAQs on Permutation and Combination Tips and Tricks for Government Exams
| 1. What is the difference between permutation and combination? |  |
Ans. Permutation and combination are both mathematical concepts used to count and arrange objects. The main difference between them lies in whether the order of the objects matters or not. In permutations, the order matters, while in combinations, the order does not matter. For example, if we have three letters A, B, and C, the permutations would include ABC, ACB, BAC, etc., while the combinations would only include ABC.
| 2. How do I calculate the number of permutations? | |
Ans. To calculate the number of permutations, we use the formula nPr = n! / (n - r)!, where n is the total number of objects and r is the number of objects taken at a time. The exclamation mark denotes factorial, which means multiplying a number by all positive integers less than it. For example, if we have 5 objects and we want to arrange them in groups of 3, the calculation would be 5P3 = 5! / (5 - 3)! = 5! / 2! = 5 * 4 * 3 = 60 permutations.
| 3. How do I calculate the number of combinations? | |
Ans. To calculate the number of combinations, we use the formula nCr = n! / (r! * (n - r)!), where n is the total number of objects and r is the number of objects taken at a time. Similar to permutations, the exclamation mark denotes factorial. For example, if we have 5 objects and we want to select 3 of them without considering the order, the calculation would be 5C3 = 5! / (3! * (5 - 3)!) = 5! / (3! * 2!) = 10 combinations.
| 4. In how many ways can I arrange the letters of the word "MISSISSIPPI"? | |
Ans. To calculate the number of ways to arrange the letters of the word "MISSISSIPPI," we need to consider the repetition of letters. Since the word has 11 letters in total, including 4 I's, 4 S's, and 2 P's, the calculation would be 11! / (4! * 4! * 2!) = 34,650 ways.
| 5. How can permutation and combination concepts be applied in real-life situations? | |
Ans. Permutation and combination concepts have various applications in real-life situations. They can be used in probability calculations, such as determining the number of possible outcomes in a game or lottery. They are also useful in counting arrangements in various fields, such as arranging seats in a theater, organizing schedules, or creating passwords. Additionally, permutation and combination concepts are applied in statistics to analyze data and calculate the number of possible combinations of variables.
About this Video
2.3K Views
4.71/5
Rating
Sep 02, 2025
Last updated
Related Exams
Video Description: Tips & Tricks: Permutation & Combination for Bank Exams 2025 is part of Tips & Tricks for Government Exams preparation.
The notes and questions for Tips & Tricks: Permutation & Combination have been prepared according to the Bank Exams exam syllabus.
Information about Tips & Tricks: Permutation & Combination covers all important topics for Bank Exams 2025 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Tips & Tricks: Permutation & Combination.
Introduction of Tips & Tricks: Permutation & Combination in English is available as part of our Tips & Tricks for Government Exams for Bank Exams & Tips & Tricks: Permutation & Combination in
Hindi for Tips & Tricks for Government Exams course. Download more important topics related with notes, lectures and mock test series for
Bank Exams Exam by signing up for free.
Description
Video Lecture & Questions for Permutation and Combination Tips and Tricks for Government Exams - Bank Exams full syllabus preparation | Free video for Bank Exams exam to prepare for Tips & Tricks for Government Exams.
Information about Tips & Tricks: Permutation & Combination
Here you can find the meaning of Tips & Tricks: Permutation & Combination defined & explained in the simplest way possible.
Besides explaining types of Tips & Tricks: Permutation & Combination theory, EduRev gives you an ample number of questions to practice Tips & Tricks: Permutation & Combination tests,
examples and also practice Bank Exams tests.
Related Searches
Viva Questions
,Objective type Questions
,Summary
,Previous Year Questions with Solutions
,Permutation and Combination Tips and Tricks for Government Exams
,Important questions
,Sample Paper
,MCQs
,Permutation and Combination Tips and Tricks for Government Exams
,Extra Questions
,Semester Notes
,Exam
,study material
,video lectures
,practice quizzes
,past year papers
,shortcuts and tricks
,ppt
,Permutation and Combination Tips and Tricks for Government Exams
,Free
,mock tests for examination
;
Study Tips & Tricks: Permutation & Combination on the App
Students of Bank Exams can study Tips & Tricks: Permutation & Combination alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the Tips & Tricks: Permutation & Combination,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of Tips & Tricks: Permutation & Combination is prepared as per the latest Bank Exams syllabus.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up
within 7 days!
within 7 days!
Takes less than 10 seconds to signup