how to calculate rank in permutations

how to calculate rank in permutations


1 Answers

Shaurya Gupta
41 Points
9 years ago

depends if for cbse direct way - by fixing the first lettre alphabetically of the word and finding the total no of each words formed starting from A  if the word is say ''AND'' then we know that the first word is ADN, then AND . which will give 2.

For IIT-JEE the method is complex.

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