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Question

If the letters of the word 'SACHIN' are arranged in all possible ways and these words are written out as in dictionary, then the word 'SACHIN' appears at serial number

A
602
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B
603
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C
600
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D
601
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Solution

The correct option is D 601
In a word SACHIN order of alphabets is A,C,H,I,N,S.

Number of words start with A=5!, so with C,H,I,N.

Now, words start with S and after that ACHIN are in ascending orders of positions, so 55!=600 words are in dictionary before words start with S and position of this word is 601.

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