# WBJEE: Important Questions and Preparation Tips – Permutation and Combination

Students are always confused between **Permutation and Combination**. We bring this article for all **WBJEE** aspirants to make them understand the difference between Permutation and Combination in an easiest possible way. **Permutation** means **“arrangement of things with regard to the order of the arrangement”** while **Combination** means **“selection of things in which the order does not matter”**. The topic “Permutation and Combination” is a very important part of algebra in WBJEE (West Bengal Joint Entrance Examination). This article will give you the complete information about all the topics of Chapter **Permutation and Combination** like **permutation, linear permutation, circular permutation, combination, relationship between permutation and combination etc**. About **2-3 questions** are being asked from this chapter in WBJEE examination. This article contains all important formulae, concepts and previous year questions related to chapter Permutation and Combination. This article will definitely help you to score full marks in this topic in WBJEE Examination 2018.

**WBJEE Mathematics Syllabus: 2017 - 2018**

**Important Concepts:**

**Some important solved questions are given below:**

**Question 1:**

**Solution 1:**

Hence, the correct option is (a).

**Important Questions and Preparation Tips – Relations and Functions**

**Question 2:**

**Solution 2:**

Hence, the correct option is (b).

**Important Questions and Preparation Tips - Thermodynamics**

**Question 3:**

**Solution 3:**

Hence, the correct option is (a).

**Important Questions and Preparation Tips – Sequence and Series**

**Question 4:**

**Solution 4:**

Hence, the correct option is (c).

**WBJEE Solved Sample Paper Set-I**

**Question 5:**

**Solution 5:**

Hence, the correct option is (b).

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