Permutation and Combination questions answer pdf -:
List of Practice Aptitude Questions for Upcoming SSC bank Exam was given here with solutions, candidates those who are preparing for those exams can use this material.Dear readers, We provide you Permutation and Combination questions answer pdf you all know that speed in calculation sets the complete base for Quantitative Aptitude section(Permutation and Combination questions answer pdf) of various competitive exams and if you know enough Short Tricks in Quant Section, you will surely score better in the section.
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What is Combination in Math?
An arrangement of objects in which the order is not important is called a combination.This is different from permutation where the order matters. For example, suppose we are arranging the letters A, B and C. In a permutation, the arrangement ABC and ACB are different. But, in a combination, the arrangements ABC and ACB are the same because the order is not important.
What is the Combination Formula?
The number of combinations of n things taken r at a time is written as C(n, r).
How to use the Combination Formula to solve word problems?
In how many ways can a coach choose three swimmers from among five swimmers?
There are 5 swimmers to be taken 3 at a time.
Using the formula:
The coach can choose the swimmers in 10 ways.