question_answer

If p, q and r are the \[{{\mathbf{a}}^{\mathbf{th}}},\text{ }{{\mathbf{b}}^{\mathbf{th}}}\mathbf{and}\text{ }{{\mathbf{c}}^{\mathbf{th}}}\] terms respectively of an A.P. as well as G.P., then the value of \[{{\mathbf{p}}^{\mathbf{q}-\mathbf{r}}},\text{ }{{\mathbf{q}}^{\mathbf{r}-\mathbf{p}}},\text{ }{{\mathbf{r}}^{\mathbf{p}-\mathbf{q}}}\] equals to ______

A) 0                                                                     

B) 1           

C) \[-\,1\]                                                              

D) 2

E) None of these