Usage: 3 forms in 11 verses
Form Translated As     In Verse(s)
πρόβλημα a riddle LXX.Judg.14.12LXX.Hab.2.6
riddle LXX.Judg.14.14LXX.Judg.14.15LXX.Judg.14.16LXX.Judg.14.19
your riddle LXX.Judg.14.13
πρόβλημά my riddle LXX.Judg.14.18LXX.Ps.49.4
προβλήματα riddles LXX.Ps.78.2LXX.Dan.8.23

Liddell-Scott-Jones

πρόβλημα (problēma) a riddle G:N-N

πρόβλημα, ατος, τό,

(προβάλλω) anything thrown forward or projecting, πόντου π. ἁλίκλυστον sea-washed promontory, [Refs 5th c.BC+]

__2 hindrance, obstacle, [Refs 5th c.BC+]
__II anything put before one as a defence, bulwark, barrier, προβλήματα ἀντ᾽ ἀσπίδων ἐποιεῦντο γεράνων δοράς [Refs 5th c.BC+]; σώματος π., of a shield, [Refs 4th c.BC+]; νεῶν προβλήματα, of a wall, [Refs 5th c.BC+]; χαλκᾶ προβλήματα the brazen armour of horses, [Refs 5th c.BC+]
__II.2 c.genitive objecti, defence against a thing, αἰχμῆς καὶ πέτρων [Refs 5th c.BC+]; but,
__II.3 μηδὲν φόβου π. μηδ᾽ αἰδοῦς ἔχειν to have neither fear nor reverence as a defence, [Refs 5th c.BC+]; τὸν ποταμὸν π. λαβεῖν, ποιήσασθαι, [Refs 2nd c.BC+]
__III anything put forward as an excuse, π. τοῦ τρόπου [Refs 4th c.BC+]; λαβὼν π. σαυτοῦ παῖδα making a screen of him, [Refs 5th c.BC+]
__IV task. business, [Refs 5th c.BC+]
__IV.2 problem in Geometry, etc., [Refs 5th c.BC+]; οἱ κατὰ πρόβλημα λόγοι (opposed to τὰ ἐν τῷ βίῳ) theoretical, [Refs 1st c.BC+]
__IV.3 in the Logic of [Refs 4th c.BC+], question as to whether a statement is so or not, [Refs 4th c.BC+], compare προβληματικό; also of the extant work wrongly ascribed to [Refs 4th c.BC+]
__IV.4 practical or theoretical problem, εἰς π. παμμέγεθες ἐνέπεσε [Refs 2nd c.BC+]
__IV.5 riddle, π. προβάλλειν [LXX]

LSJ Scripture Refs: LXX.Judg.14.12