Question

(0) If the letters of the word 'MASTER' are permuted in all possible ways and the
words thus formed are arranged in the dictionary order, then find the rank of the
word "REMAST"
IPE 09, 10, 11​

Answer 1

Answer:

391

Explanation:

The alphabetical order of the letters of the given word is A, E, M, R, S, T

The number of words begin with A is 5! = 120

The number of words begin with E is 5! = 120

The number of words begin with M is 5! =120

The number of words begin with RA is 4! = 24

The number of words begin with REA is 3! = 6

The next word is REMAST .

∴Rank of the word REMAST - 3 (120) + 24 + 6 + 1 = 360 + 31 = 391

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Answer 2

Answer:

391

Explanation:

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