An important question from similarity chapter in which we are asked to prove
(i) △AMC∼△PQR
(ii) CM/RN=AB/PQ
(iii) △CMB∼△RNQ.
If the given triangles are similar and
CM and RN respectively are the medians of △ABC and △PQR.
ML Aggarwal, Class 10, Similarity, chapter 13, question no 18
Hope it helps you.