【解答】解:(1)梯形MNQP与梯形PBCQ不位似,∵AN3=NQ2=QC,∴AN:NQ:QC=3:2:1,∵MN∥PQ∥BC,∴NQQC=MPPB=2,MNPQ=ANAQ=35,∴梯形MNQP与梯形PBCQ不位似;(2)∵MN∥BC,∴S△AMN:S△ABC=(ANAC)2=14,又S△ABC=30,∴S△AMN=152,∵MN∥PQ,∴S△AMN:S△APQ=(ANAQ)2=925,又S△AMN=152,∴S△APQ=1256,∴梯形MNQP的面积=S△APQ-S△AMN=403.