How did Sakura become a chuunin?

[Uchiha Minato]

well it dosent really tell naruto just finds out because shikamaru told him but since she is not that strong she wouldn't make it but she probably raped the examiner just like what
ganjababy said

 

[jasminetatum32]

Because she is intellegent... But if that's the case Ino, Hinata,TenTen, will be in the same boat as she

 

[DeathPulse16]

Well, plenty of the old characters are now chunin or higher right? It could just be as simple as she was in a team with others from her age group and they took the exam together. You're just overthinking things. We wouldn't know if she had that team or not because it wouldve been during the time skip. its rather simple when you think about it clearly