This is one of the puzzles that requires you to think outside the box. It’s more than a normal number that you have to find as it’s not in a straight line.
Can you find it in less than 25s?
Did you find it?
If you can find it, congratulation, you are truly genius!
If you can not, check answer bellow:
Take a look at the left side of the image. You see the several numbers that repeat. If you look carefully, you’ll see the 250.