Study the following information carefully and answer the questions given below:
A, M, P, J, H, D and K are seven students of a school. They study in Standard III, IV and V with atleast two in any one standard. Each of them has different choice of colour from - blue, red, green, yellow, black, white and brown, not necessarily in the same order. M studies in Standard IV with only D who likes red colour. A studies in Standard V and does not like either blue or green. He does not study in Standard V and likes yellow colour. P and J study in the same Standard but not with A. None of these who study in Standard III likes white. The one who likes black studies in Standard IV. J likes brown colour. P does not like blue colour.
In which Standard do three of them study?