Brain Test Level 17
Level 17 Answer
The question asks you to find the hidden number.
Step 1: Look closely at the screen. A large gray stone is covering the spot where the next number in the sequence should be (10, 20, 30, ?).
Step 2: Drag the gray stone out of the way (or simply away from its current position) to reveal the hidden number.
Step 3: The hidden number is 40. Enter '40' to complete the level.
DIFFICULTY
Medium
PRO TIP
Try moving the stone.