Riddle
Puzzle, Enigma
noun
A riddle riddle is a riddle, and it's also a puzzle or an enigma.
This word uses the kun'yomi readings of the kanji you learned, twice. You should be able to read this on your own.
子どもはみんな謎々遊びをするのが好きだろう。
Pretty much all kids like solving riddles, right?
広告に釣られて謎々の本を買ってしまった。
The advert tempted into buying the riddle book.
この謎々が、分かる人〜？
Does anyone understand this riddle?