If the four letter words (need not be meaningful) are to be formed using the letters from the word "MEDITERRANEAN" such that the first letter is R and the fourth letter is E , then the total number of

Question

If the four letter words (need not be meaningful) are to be formed using the letters from the word "MEDITERRANEAN" such that the first letter is R and the fourth letter is E , then the total number of all such words is :

TestHub · Accepted Answer

M , EEE , D , I , T , RR , AA , NN R _ _ _ E _ Two empty places can filled with identical letters EE , AA , NN ⇒ 3 ways Two empty places, can be filled with distinct letters M , E , D , I , T , R , A , N ⇒ 8 P 2 ∴ Number of words 3 + 8 P 2 = 59

Mathematics - Permutation & Combination Question with Solution | TestHub

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