SATHEE: Permutations And Combinations Question 307

Permutations And Combinations Question 307

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 [AIEEE 2005]

Options:

A) 603

B) 602

C) 601

D) 600

Show Answer

Answer:

Correct Answer: C

Solution:

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

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Permutations And Combinations Question 307

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 [AIEEE 2005]

Options:

Answer:

Solution:

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