question_answer

In the shown figure, if \[\mathbf{PQ}\text{ }\parallel \text{ }\mathbf{BC}\] and \[\mathbf{AP}=\mathbf{5}.\mathbf{4}\text{ }\mathbf{cm}\],\[\text{ }\mathbf{AQ}=\left( \mathbf{x}+\mathbf{1} \right)\,\,\mathbf{cm},\]\[\mathbf{AB}=\mathbf{8}.\mathbf{1}cm\] cm and \[QC=(x-1)\]cm, then AC equals to _______

A) 12 cm   

B)  6 cm       

C)  3 cm                                                               

D) 4 cm

E)  None of these