Dry Hair: If your hair feels brittle & rough to touch and looks lacklustre/dull, then you have dry hair. Dry hair can be a result of washing your hair often, using too many dyes or chemical processes, resulting in moisture loss.
Normal-Oily Hair: If your scalp feels slightly oily after 2-3 days of washing it, then you probably have normal-oily hair type. Take a tissue and dab it on your forehead a day after you wash your hair. If it gets oily, that means you have an oily scalp; if not, you probably have normal hair (neither too dry nor oily)