99% will Fail.. Brain Teaser 🤯/Only For Genius 💯👍 #maths #mathtest #brainteaser #shorts

[JoséVivas-ne]

7×2+2^0=15
7×2^2+2^1=30
7×2^3+2^2=60

[BimalMochahary-glwq]

7, 15 7×2+1=15 | 7 | 15 | 7×4=28
, 60 ? 60×2+1=121 | 60 | 28 | 15×4=60