Ten different letters of alphabet are given, words with 5 letters are – McqOptions

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1.	Ten different letters of alphabet are given, words with 5 letters are formed from these given letters. Then, how many such words can be formed which have at least one letter repeated ?
A.	69760
B.	69970
C.	67960
D.	65760
E.	69790
Answer» B. 69970

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