Mathematics · JEE | PERMUTATIONS AND COMBINATIONS

Match List-I with List-II: List-I List-II A \( {^n\text{P}_r} \) I \( \frac{n!}{r!(n-r)!} \) B \( {^n\text{C}_r} \) II \( \frac{n!}{(n-r)!} \) C \( {^n\text{C}_0} \) III \( n! \) D \( {^n\text{P}_n} \) IV \( 1 \) Choose the correct answer from the options given below:

1. A
   A-(II), B-(I), C-(IV), D-(III)
2. B
   A-(I), B-(II), C-(III), D-(IV)
3. C
   A-(III), B-(IV), C-(I), D-(II)
4. D
   A-(II), B-(III), C-(IV), D-(I)