to break suddenly

to solve a puzzle or code

हल करना

English Usage: The detective managed to crack the case.

Hindi Usage: जासूस ने मामले को हल करने में सफलता प्राप्त की।

a narrow opening or fissure

a sharp or sudden noise

चटक

English Usage: I heard a crack as the branch broke.

Hindi Usage: जब शाखा टूटी तो मैंने एक चटक सुनी।