`n/4 - 2 = 3` what is the value of n?

If 3^(n+4)-3^(n+2)=8 , then what is the value of n?

If the numbers -3,4n-2,5n+1 are in AP, what is the value of n?

If |A_(n xx n)|=3 and |"adj A"|=243 , what is the value of n?

If (sqrt(3))^(5) xx 9^(2) =3^(n) xx 3sqrt(3) , then what is the value of n?

In n = 10!, then what is the value of the following? (1)/(log_(2)n) +(1)/(log_(3)n) +(1)/(log_(4)n)+…..+ (1)/(log_(10)n)

For a positive integer n, what is the value of i^(4n+1) ?

(i) If (n!)/(2.(n-2)!): (n!)/(4!.(n-4)!) = 2:1 , find the valye of n. (ii) If ((2n)!)/(3!(2n-3)!): (n!)/(2!(n-2)!) = 44:3 , then find the value of n.