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how to calculate rank in permutations

yedu 9703562152 mahendra , 13 Years ago
Grade 12
anser 1 Answers
Shaurya Gupta

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.

Last Activity: 13 Years ago
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