Brain Test Math Trick

Brain Test Level 149: How many triangles are there?

Brain Test Level 149

Medium

Screenshots

Brain Test Level 149 screenshot 1Brain Test Level 149 screenshot 2
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Quick Answer

Drag the green shape apart to reveal 5 hidden triangles, then enter 5 and tap Submit.

Skills Tested

LogicProblem SolvingSpatial Thinking

Step-by-Step Solution

  1. 1) Select the green shape on the screen.
  2. 2) Pull the green shape apart to split it open.
  3. 3) Count every triangle that is now visible.
  4. 4) Enter the number 5 and tap Submit to finish the level.

Hint

Reveal a hint

Try pulling apart the green shape to reveal all of the triangles hidden inside.

Why It Works

Counting only the visible shape leads to the wrong number because extra triangles are folded inside it. Splitting the green shape open shows all five triangles, so entering 5 and submitting is the correct solution.

Frequently asked questions

How do I solve Brain Test level 149?

Drag the green shape apart to reveal five hidden triangles, then enter 5 and tap Submit.

How many triangles are there in Brain Test level 149?

There are five triangles, but you must pull the green shape apart to see all of them.

What is the answer to Brain Test level 149?

Enter the number 5 and tap Submit, but only after pulling the green shape apart to reveal the hidden triangles.

What is the trick in Brain Test level 149?

Extra triangles are hidden inside the green shape, so you must split the shape open to find and count them.

Why do I have to drag the green shape in Brain Test level 149?

The green shape is a container hiding more triangles, and dragging it apart is what reveals all five for counting.

How do I reveal the triangles in Brain Test level 149?

Grab the green shape and pull it apart, which opens it up to show every hidden triangle inside.

Is there a video walkthrough for Brain Test level 149?

Yes, the embedded video on this page shows the green shape being split apart and the number 5 being submitted.