Those Definite Numerals which show how many persons or things are there are called Cardinal Adjectives , while those which show the order in which things stand are known as Ordinal Adjectives . I have three children. She is her first child. The adjectives which denote a number of some kind without saying exactly what the number is are called Indefinite Numerals . All the children studied hard.
Some people die young.
Few men can understand him. Depending on the kind of noun, the words none, all, some etc. are used. If the Noun is a Material or Abstract one, then the Adjective is of Quantity. But if it is a Common Noun, then the Adjective is Numeral. He had much money.