tell how to find any name in dictionary by using permutation
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1. match the first alphabet of that name find it on dictionary
2. and the the second alphabet
then keep it continue in the end you got that meaning of that word and name
2. and the the second alphabet
then keep it continue in the end you got that meaning of that word and name
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Finding the rank of a given word is basically finding out the position of the word when all possible words have been formed using all the letters of this word exactly once and arranged in alphabetical order as in the case of a dictionary. Let us understand this by taking an example.
Let us look at the word “POINT”. The letters involved here, when taken in alphabetical order are I,N,O P,T.
To arrive at the word “POINT”, initially we have to go through the words that begin with I, tthen all those that begin with N aand those that begin with O, wwhich are 4! In each case.
I is fixed and the remaining 4 Alphabets can take any of the 4 positions. SAME is the case with N and O.
The we arrive at words that begin with PI, PN which are 3! IIn each case.
P is fixed. This is the first Alphabet in the word “POINT”, hence it is required. We move to the next Slot and fix PI and PN, before arriving at PO, where O is the required 2nd Aplhabet.
Once the first two alphabets are arranged, we find that the rest of them fall under the alphabetixal order automatically.
We arrive at the word “POINT” where there are (3 x 4! + 2 x 3!) = 84 words tthat precede the required word “POINT”.
That is, POINT is the 85th word or the Rank of the word “POINT” IS 85th.
Let us look at the word “POINT”. The letters involved here, when taken in alphabetical order are I,N,O P,T.
To arrive at the word “POINT”, initially we have to go through the words that begin with I, tthen all those that begin with N aand those that begin with O, wwhich are 4! In each case.
I is fixed and the remaining 4 Alphabets can take any of the 4 positions. SAME is the case with N and O.
The we arrive at words that begin with PI, PN which are 3! IIn each case.
P is fixed. This is the first Alphabet in the word “POINT”, hence it is required. We move to the next Slot and fix PI and PN, before arriving at PO, where O is the required 2nd Aplhabet.
Once the first two alphabets are arranged, we find that the rest of them fall under the alphabetixal order automatically.
We arrive at the word “POINT” where there are (3 x 4! + 2 x 3!) = 84 words tthat precede the required word “POINT”.
That is, POINT is the 85th word or the Rank of the word “POINT” IS 85th.
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