The different triangles in the given figure are ACB, ACD, ABD, AFE, AFG, AEG, AIH, AIJ, AHJ, ALK, ALM, AKM, MOP, MON, MPN, MRJ, MRQ, MJQ, MSG, MST, MGT, AGT, AFT, AET, AMT
$$\therefore\ $$Number of triangles in the given figure = 25
Hence, the correct answer is Option A
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