A) 160
B) 175
C) 180
D) 220
Correct Answer: C
Solution :
| \[1,1,2,2,2,2,3,4,4\] |
| odd numbers occur at even places |
| \[\] |
| \[^{4}{{C}_{3}}\times \frac{3!}{2!}\times \frac{6!}{4!2!}=4\times 3\times 15=180.\] |
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