Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Permutations and Combinations Permutation Function and its properties
If \(\rm ^{2n+1}P_{n-1}:\rm ^{2n-1}P_{n}\) = 3 ∶ 5, then consider the following statements
I. The value of n is 3
II. P(5, n) = P(6, n - 1)
Which of the above statements is/are correct?
1
Only I
2
Only II
3
Both I and II
4
More than one of the above
5
None of the above