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Solution


Q.

From all the English alphabets, five letters are chosen and are arranged in alphabetical order. The total number of ways, in which the middle letter is 'M', is :          [2025]
1 14950  
2 5148  
3 4356  
4 6084  

Ans.

(2)

Number of English alphabets before M = 12

Number of English alphabets after M = 13

∴   Required number of ways

           = C212×C213=66×78 = 5148