Brain Out is one of the most played puzzle games app of 2020 and now they have rebranded the gamed with chapters and the levels are replaced with numbers. Brain Out Chapter 7 or Level 7 is called Expert and this is the 109 puzzle of that Chapter

Brain Out What’s the answer?

Answer

• Just go with the flow If 1=5, 2=15, 3=215, 4=3215
• Then 5=43215.