1 Kings 10:1 And the queen of Sheba heard of the fame of Solomon in connection with the name of Jehovah, and came to prove him with enigmas. (DBY YLT)
2 Chronicles 9:1 And the queen of Sheba heard of the fame of Solomon, and came to Jerusalem to prove Solomon with enigmas; with a very great train, and camels that bore spices and gold in great abundance, and precious stones; and she came to Solomon, and spoke with him of all that was in her heart. (DBY)
Proverbs 1:6 to understand a proverb and an allegory, the words of the wise and their enigmas. (DBY)
Daniel 5:12 because that an excellent spirit, and knowledge, and understanding, interpreting of dreams, and showing of enigmas, and loosing of knots was found in him, in Daniel, whose name the king made Belteshazzar: now let Daniel be called, and the interpretation he doth show.' (YLT NAS)