MCQ
$n$ gentlemen can be made to sit on a round table in
- A$\frac{1}{2}(n + 1)\;!$ ways
- ✓$(n - 1)\;!$ ways
- C$\frac{1}{2}(n - 1)\;!$ ways
- D$(n + 1)\;!$ ways
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$\log _{\left(7^{\frac{1}{2}}\right)} x+\log _{\left(7^{\frac{1}{3}}\right)} x+\log _{\left(7^{\frac{1}{4}}\right)} x+\ldots$ is $460,$ then $x$ is equal to