How many quadrilaterals are there in the given figure?

21 22 24 13

24

THE LOGIC; => 8 inner quadrilaterals + ABDE, ABJL, HODE, ACHI, HIKJ, JKGD, HPMJ, IOLK, JDNF, LEGK, BECG, ACDG, HIDG, JKCA, BCLK, IOEG. Thus, total 24 quadrilaterals.