In how many ways can the letter of ZOOLOGY be arranged?
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Correct Answer: Option C
Explanation:
Zoology has 7 letters in total, with O repeated thrice
\(\frac{7!}{3!}\)→\(\frac{7*6*5*4*3*2*1}{3*2*1}\)
= 840ways
Zoology has 7 letters in total, with O repeated thrice
\(\frac{7!}{3!}\)→\(\frac{7*6*5*4*3*2*1}{3*2*1}\)
= 840ways