If `"^nP_4: ^(n+1)P_4=3:4`, find n.

If ^nP_3=9240 , find n

If .^(n)P_(4): .^(n)P_(5) = 1:2 , find the value of n.

If ^nP_4=12xx ^nP_2 , find n.

Find n If : ""^(n)P_4 : "" ^(n-1)P_3 = 9: 1

If ^n+2C_8:^(n-2)P_4: 57 : 16 , find ndot

If P(n-1,\ 3): P(n ,4)=1:9 find n

Find the value of n such that "(i) "^(n)P_(5) =42 xx ""^(n)P_(3), n gt 4 " (ii) "(""^(n)P_(4))/(" "^(n-1)P_(4))=(5)/(3), n gt 4.

Find n if ""^(n-1)P_(3): ""^(n)P_(4) = 1:9 .

If \ ^n P_4=360 ,\ find the value of ndot

If .^(n+2)C_8:^(n-2)P_4:: 57 : 16 , find n