How many 5-letter code words are possible using last 10 letter of the English alphabet , if no letter can be repeated ? a) 30240 b) 25440 c) 45640 d) 32940

1 Answer

Answer :

Answer: A)

 The number of 5 letter code words out of the last 10 letters of the English alphabets are = 10× 9×

8 × 7× 6

 = 80 × 63× 6

 = 30240 ways.

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