question_answer

In a trapezium PQRS, PQ || RS and RS = 2PQ. MN drawn parallel to PQ meets PS in M and QR in N such that \[\frac{\mathbf{QN}}{\mathbf{NR}}\]=\[\frac{\mathbf{3}}{\mathbf{4}}\]. If diagonal QS intersects MN at O, then the ratio of \[\frac{\mathbf{MN}}{\mathbf{PQ}}\] is equal to

A)  \[\frac{7}{10}\]     

B)                                                         \[\frac{10}{7}\]          

C)  \[\frac{4}{7}\]                                                             

D) \[\frac{7}{4}\]

E) None of these