Welcome to your guides for "Brain Test Daily Challenge: Day 21, What is the hidden number?". Our team is here to help you crack today’s exclusive puzzle with clear screenshots and the short answer. When you get stuck on a difficult daily test, use our detailed solutions to complete the stage and keep your mental sharpest every single day!
Brain Test Day 21 What is the hidden number Answer
Question
What is the hidden number?
Step 1
Answer
Just upside down the phone and you'll see the pattern. "the answer is 67"