Find the value

Answer :

Here first row =  3 , 4  , 64  , So 

4³ = 64

Therefore , first row  = 3 , 4 , 4³ 

Here Second row =  4 , 5  , 625  , So 

5⁴ = 625

Therefore , first row  = 4 , 5 , 5⁴ 

Then

Third row  =  5 , 6 , 6⁵

And

6⁵ = 7776

So,

Option ( iv )                                                    ( Ans )