question_answer

In the shown figure, PQRS is a trapezium and\[\mathbf{PQ}\text{ }\parallel \text{ }\mathbf{RS}\]. If M is the mid- point of PS such that \[\mathbf{MN}\text{ }\parallel \text{ }\mathbf{RS}\] and \[\mathbf{PQ}\text{ }=\text{ }\mathbf{8}\text{ }\mathbf{cm}\] and \[\mathbf{RS}=\text{ }\mathbf{12cm}\], then MN equals to ______

A) 6 cm                                                                

B)  8 cm       

C) 10 cm              

D) 8.5 cm

E) None of these