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`        what is permutation?`
7 years ago

147 Points
```										Dear kara
A permutation is an arrangement of objects in a specific order. For example, if four students are scheduled to give a report in class, then each possible order in which the students give their reports is a permutation
The number of possible permutations is shown in the following table.
Number of Students       Number of Outcomes1st                         4                          42nd                        3                        4 * 3 = 123rd                         2                        4 * 3 * 2 = 244th                         1                        4 * 3 * 2 * 1 = 24
We say that this is the number of permutations of 4 things taken 4 at a time,which can be symbolized as 4P4= 4 * 3 *2 * 1 = 24.There are 24 permutations;that is, there are 24 different orders in which the 4 students can give theirreports.
Please feel free to post as many doubts on our discussion forum as you can.If you find any question Difficult to understand - post it here and we will get youthe answer and detailed solution very quickly. We are all IITians and here to help you in your IIT JEE preparation. All the best. Regards,Askiitians ExpertsBadiuddin

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7 years ago
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