I'm sorry that's PDPA and strictly cannot be shared publicly mcm tu je. If you dah biasa tengok resume, u boleh tahu how to guess people's age. Unless this one information mmg dia tak letak. Mostly this tips is accurate, jarang tak accurate. Btw, no IC tidak perlu dan tak patut letak dlm resume. N yea umur takpe letak. IC is a big no no