Brain Test 4 Logic

Brain Test 4 Level 49: I must answer Doctor Worry's question.

Brain Test 4 Level 49

Easy

Screenshots

Brain Test 4 Level 49 screenshot 1Brain Test 4 Level 49 screenshot 2
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Quick Answer

Erase the blackboard to reveal 'x=2', then enter '7' as the answer.

Skills Tested

LogicProblem Solving

Step-by-Step Solution

  1. 1) Read the question Doctor Worry is asking.
  2. 2) Slide your finger across the board to erase it.
  3. 3) See the revealed clue that gives the value.
  4. 4) Type 7 as your final answer and submit.

Hint

Reveal a hint

Wipe the board to find the clue you need for the number.

Why It Works

This puzzle punishes rushing by hiding the answer inside a clue on the board. Erasing the writing exposes the hint that leads to entering 7 as the correct response to Doctor Worry.

Frequently asked questions

How do I answer Doctor Worry in Brain Test 4 Level 49?

Erase the blackboard to reveal the x=2 clue, then enter 7 as the answer.

What is the answer to Brain Test 4 Level 49?

Wipe the board to uncover the hint, then type the number 7 to give Doctor Worry the right answer.

What is the trick in Brain Test 4 Level 49?

The answer is not obvious from the question alone. You must erase the blackboard to reveal the clue.

Why do I need to erase the board in Brain Test 4 Level 49?

Cleaning the board exposes the x=2 hint, which is what tells you to enter the number 7.

Is there a video walkthrough for Brain Test 4 Level 49?

Yes. The video shows erasing the blackboard to find the clue and then typing the answer 7.

How do I avoid getting stuck in Brain Test 4 Level 49?

Do not answer from memory. Erase the blackboard first to reveal the clue that leads to 7.