Question

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

• A. 603
• B. 602
• C. 601
• D. 600

Answer 1

The correct option is C 601

Words starting with $A,C,H,I,N$are each equals to $5!$
$\therefore$ Total words $=5\times 5!=600$
The first word starting with S is SACHIN.
$\therefore$ SACHIN appears in dictionary at serial number 601.