Find the Hidden Number in 5 Seconds! | Observation Challenge 🔢 Can you find the hidden number in just 5 seconds? 👀 Test your observation skills and see how sharp your brain really is! 🧠 Comment below how fast you spotted it ⏱️ #FindTheNumber #ObservationChallenge #OddOneOut #BrainTest #PuzzleChallenge #YouTubeShorts #Shorts