The number of ways in which any four letters
can be selected from the word CORGOO
(A) 15
(8) 11
(C) 7
(D) None of these
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Answer: none of these
Step-by-step explanation:
No of different kinds of letters = 4
Hence no of ways is ⁴C4 = 1
Therefore answer is none of these
I hope it is helpful
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