Find the correct number for the sequence
Brain Test 5 Level 27 complete video walkthrough and solution.
Walkthrough Guide & Hints
Watch the video above to see the complete solution for Brain Test 5 Level 27. The video shows every step needed to pass this level, including all the tricky interactions and hidden mechanics.
Tip
If you get stuck, pause the video at the moment before the solution is revealed and try to figure it out yourself. Brain Test 5 rewards creative thinking — sometimes the answer is simpler (or stranger) than you think!
Step-by-Step Walkthrough



Solve the letter-algebra equations on the keypad: derive each letter's value from the given equations (a=1, ab=4, bc=3, bcd=0) and enter the number each expression equals. The crossed-out equations change between rounds, so follow the video for the exact digits.
About This Level
Level 27 — Find the correct number for the sequence — contains 1 puzzle to solve in order:
- Find the correct number for the sequence.
General Brain Test 5 Tips
- Try rotating your device — some puzzles require landscape mode
- Long-press objects to see if they can be dragged or interacted with
- Shake your device to trigger hidden mechanics
- Use multiple fingers simultaneously for certain interactions
- Pay attention to text clues — words themselves can be interactive
- If stuck, try the most absurd solution first — Brain Test loves surprises
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