How many triangles are there in the following figure?

Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 20.

AGB, BCH, ADE, CEF, EIJ, GKI, JLH, GBK, BGL, BGH, BKL, BKH, BLH, BGI, BJH, EGH, ABI, BCJ, AEC, BIJ
Thus, triangles are there in the following figure = 20