3d rendering blue question mark with red question mark

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Size: 5500px × 3667px
Photo credit: © Kittipong Jirasukhanont / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 3d, banner, blue, challenge, confuse, contest, exam, examinor, faq, game, icon, illustration, letters, mark, problem, query, question, questioner, quiz, quizzer, red, rendering, sign, symbol, test, thinking