SATHEE: Permutations And Combinations Question 357

Permutations And Combinations Question 357

Question: Total number of words that can be formed using all letters of the word FAILIRE which neither begin with F nor end with E is equal to

Options:

A) 3720

B) 5040

C) 3600

D) 3480

Show Answer

Answer:

Correct Answer: A

Solution:

[a] Total number of words $ =7! $ Out of which 6! Start with F and 6! And with e., while 5! Start with F and end with E.

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Permutations And Combinations Question 357

Question: Total number of words that can be formed using all letters of the word FAILIRE which neither begin with F nor end with E is equal to

Options:

Answer:

Solution:

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