" If "^(n)P_(5)=20^(n)P_(3)" ,find the value of "n

If .^(n)P_(5)=20.^(n)P_(3) , find n.

If ^(n )P_(7)=42.^(n)P_(5) find n

If ""^(n) P_(4)=20(""^(n)P_(2)) then find the value of n.

If ^ n P_5 = 20 ^nP_3 find the value of n

If ""^(n)P_(4) = 5("^(n)P_(3)) , then the value of n is equal to

If ^nP_5=20xx ^P_3 , find the value of n.

If ^(n)P_(4)=360, find the value of n

(i) If ""^(n)P_(5)=20xx""^(n)P_(3) , find n. (ii) If 16xx""^(n)P_(3)=13xx""^(n+1)P_(3) , find n. (iii) If ""^(2n)P_(3)=100xx""^(n)P_(2) , find n.

If ""^(n)P_(3) = 9240 , then find the value of n.