# Permutation and Combination

By : Akash Mishra

Updated : Nov 20, 2020, 15:40

The Permutation & Combination topic for bank exams is very important to relate to real-life situations. You need extremely good preparation for over one year to successfully clear the banking exams. The Permutation & Combination problems in bank exams can be easily solved with one year of practice. Gradually, you will be able to solve all the Permutation & Combination questions and answers for the bank exam.

At BYJU'S Exam Prep, you will get the Permutation & Combination formula for bank exams. To solve these formulas, you must know certain Permutation & Combination tricks for bank exams. These tricks will help you to solve the problems of Permutation & Combination in less than a minute. The important banking exams are SBI PO, IBPS RRB Clerk, IBPS Clerk, RBI A Grade and B Grade, SBI Clerk, IBPS PO, IBPS RRB PO, etc.

## Important Permutation & Combination Topics

In the Permutation & Combination syllabus for bank exams, you will get the following topics that are discussed in the below table:-

 Topics Explanation Definition of Permutation The actions to arrange the entire group of a set in some series or order. Definition of Combination The action to select all or part of a set of objects, without any regard to the order in which the objects are selected. Formulas Permutation FormulanPr = (n!) / (n-r)!Combination FormulanCr = n! / r! * (n - r)! The basic principles of counting If one event has x possible outcomes and the second event has y possible outcomes, then for the two events together, there are x ⋅ y total possible outcomes. In Combination, a number of ways are applied to choose objects from a total of objects.

### Tips to solve/ prepare Permutation & Combination questions

• You must remember basic Permutation & Combination formulas by heart. Do regular practice of Permutation & Combination online tests for bank exams.
• You must be alert to some of the specific questions asked in exams from this area.
• Practice daily by applying more than one method of Permutation & Combination and notice which method takes less time. You should follow the same method for exams.
• Practice Permutation & Combination quiz for bank exams for two hours daily. This is a must to understand the concept of Permutation & Combination.

### Importance of Permutation & Combination section of competitive banking & government exams

• Permutation & Combination can solve various counting problems in mathematics and other areas.
• Solving any mathematical problems using Permutation & Combination formulas requires less time.
• Permutation & Combination has a direct relation with our real-life and probability.
• In the Quant section, scoring high marks is possible if you are excellent in Permutation & Combination.

## Most recommended books for Permutation & Combination

Many books elaborately discuss the topic of Permutation & Combination. You can prepare Permutation & Combination notes for bank exams by following these books. The names of a few such books, with their respective authors, are mentioned below:-

 Books Authors Permutation and Combinations Ashish Singhal Permutation and Combinations Ramesh Chandra Probability with Permutations and Combinations Robert Tier

### Why prepare Permutations & Combinations from BYJU'S Exam Prep

Permutations & Combinations is an important topic for aspiring banking students. In BYJU'S Exam Prep, you will get Permutation & Combination questions and answers PDF for bank exams. These PDFs will help you clear all concepts of Permutation & Combination, and you will be able to answer this question quickly. In BYJU'S Exam Prep, you will learn about the shortcuts to solve Permutation & Combination problems easily. This is the best platform to practice Permutation & Combination problems online with a variety of examples.

1- Mention the total number of questions that are asked from the Permutations & Combinations section in banking exams

Around three to four questions from the Permutations & Combinations section are asked in banking exams.

2- Where do we use Permutations & Combinations?

For making a list of data, we use Permutation, and for making a group of data, we use Combination.

3- What are the real-life examples of Permutations & Combinations?

Arranging alphabets, numbers, letters, digits, and colours are real-life examples of permutations. Clothes, teams, food, menu, and subjects are real-life examples of combinations.

4- Are Permutations & Combinations tough to learn?

The Permutation & Combination topics are not tough to learn. With the help of coaching and regular practice, it will become easy for you.

5- Are Permutations & Combination questions compulsory for banking exams?

Yes, the Permutation & Combination questions are compulsory for banking exams. GradeStack Learning Pvt. Ltd.Windsor IT Park, Tower - A, 2nd Floor, Sector 125, Noida, Uttar Pradesh 201303 bepstudentsupport@byjus.com