defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Permutations and Combinations Factorial and its Properties
Find the value of n such that \(\frac{{\left( {n - 1} \right)!}}{{\left( {n + 1} \right)!}} = \frac{1}{6}\) ?
1
4
2
3
3
2
4
None of these