Advanced Geometric Problem & Solution (Twice a week update) Now 4603 problems posted.
<Qua-2025-767>, hint
By Menelaus theorem to ABC with MPQ, Line MP cuts BC extended in Q
Then (AE/EB)(BQ/QC)(CP/PA)=1, BQ/CQ=3/1.
Since ON//MQ , OP/PC=NT/TC=1/1, T is the intersection of MQ with CD,
AB/NC=MB/TC=3/1, A,N,Q are collinear
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