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- Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. The number of words which have at least one of their letter repeated is<div class='q
Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. The number of words which have at least one of their letter repeated is
Option: 1
69760
Option: 2
30240
Option: 3
99748
Option: 4
none of these
Answers (1)
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