Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. Then the number of words which have atleast one letter repeated is
Text Solution
Verified by ExpertsThe correct answer is:
A
Number of words in which all the 5 letters are repeated = 10 5 = 100000 and the number of words in which no letter is repeated are 10 P 5 = 30240.
Hence the required number of ways are
100000 – 30240 = 69760.
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