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

(b) 603

(c) 600

(d) 601

Answer 1

Correct option (d) 601

Explanation:

In the word 'SACHIN', order of alphabets is A, C, H, I, N and S. Number of words start with A = 5!, so with C, H, l, N.

Now words start with S and after that ACHIN are in ascending order of position, so 5.5! = 600 words are in dictionary before words with S start and position of this word is 601.