Brain Test 4 Level 209

Complete solution with answer and video walkthrough

Brain Test 4 Level 209 Question

What should come on the position of the question mark Answer

Brain Test 4 Level 209 Text Answer

The answer is 131. You should turn your phone upside down and then look at the blackboard.

Brain Test 4 Level 209 Solution

Brain Test 4 Level 209 Video Answer

Strategy Guide for Brain Test 4 Level 209

  • 1.Turn your device upside down to view the blackboard from a different perspective;
  • 2.Read the numbers on the blackboard when rotated 180 degrees to see '131';
  • 3.Ignore conventional math and focus on visual trickery with device orientation.

Common Mistakes

  • 1.Trying to solve the math problem directly without noticing the upside-down hint;
  • 2.Looking at the blackboard right-side up and missing the number pattern;
  • 3.Assuming the question mark represents a missing number in a standard sequence.