question_answer

If \[{{\mathbf{x}}^{\mathbf{1/8}}}\mathbf{=m}\] and \[{{\mathbf{x}}^{\mathbf{1/4}}}\mathbf{=n}\] and n = 4 m then find the value of\[\sqrt{\mathbf{x}}\].

A)  512                                                                 

B)  216

C)  324                                                                 

D)  256

E)  None of these