How many squares are present in the following figure?

Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 19.

Total squares = ABEF, BCFG, CDGH, EFIJ, FGJK, GHKL, IJMN, JKNO, KLOP, ACIK, BDJL, EGMO, FHNP, ADMP, abcd, efgh, ijkl, mnop, rst