# Which number replaces the question mark?

I'm trying to solve puzzles to exercise my brain. I'm stuck on this test, I printed it from Mensa IQ Test, an app on Android store. Can someone help me?

Below is the test:

• Welcome to Puzzling.SE! This looks like a puzzle you found elsewhere. For content you did not create yourself, proper attribution is required. If you have permission to repost this, please edit to include (at minimum) where it came from. Posts which use someone else's content without attribution are generally deleted. Sep 21, 2021 at 2:10
• Ok, I will edit it Sep 21, 2021 at 2:21

2

Going clockwise, for each section, sum of the top 2 number is equal to the bottom number of the next section.

e.g. 6 + 1 (the top 2 numbers) = 7 (the bottom number of the next section). In the next section, 2 + 3 = 5, etc.

• Sniped me by 10 seconds :P Sep 21, 2021 at 2:40
• @BeastlyGerbil, :)
– Eli
Sep 21, 2021 at 2:45

The answer would be

2

As

The central number is the sum of the 2 outer numbers in the segment before (going clockwise)

Therefore

7+? = 9, so the ? = 2