Brain Test Math Trick

Brain Test Level 202: Solve the puzzle.

Brain Test Level 202

Medium

Screenshots

Brain Test Level 202 screenshot 1Brain Test Level 202 screenshot 2
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Quick Answer

Tap the circles to light them up so that the number of lit circles adjacent to each number matches that number. Light up the bottom-left, bottom, and bottom-right circles.

Skills Tested

LogicProblem Solving

Step-by-Step Solution

  1. 1) Study the grid and match each number with the circles around it.
  2. 2) Light up the bottom-left circle.
  3. 3) Light up the bottom and bottom-right circles.
  4. 4) Check that every number matches its lit neighbors and submit.

Hint

Reveal a hint

Use each number as a clue for how many neighboring circles need to be on at once.

Why It Works

This is a logic puzzle where the numbers behave like counts. You turn circles on until the lit neighbors of every number equal that number, and the bottom three circles satisfy all of them. Turning on exactly those three completes the grid.

Frequently asked questions

How do I solve Brain Test level 202?

Light up the bottom-left, bottom, and bottom-right circles so the lit neighbors match every number.

What does each number mean in Brain Test level 202?

Each number tells how many of the circles beside it must be lit up.

Which circles do I light in Brain Test level 202?

You light the bottom-left, bottom, and bottom-right circles to solve the puzzle.

What is the trick in Brain Test level 202?

The numbers are count clues, so you infer which circles to switch on instead of guessing randomly.

How many circles do I turn on in Brain Test level 202?

Turn on three circles in the bottom row to make every number match its lit neighbors.

Why do I check neighboring circles in Brain Test level 202?

You check them because each number must equal the number of lit circles directly around it.