Need to paint a house from inside — it has a lounge + diner+kitchen+3 double bedrooms and 1 study room ….also need to fill and repairs small holes wherever required….need some advice on the paints combination also if possible.

couple of walls have wallpapers ,need to see if they can be removed and wall can be painted ,wall looks really smooth .
also kitchen cupboards need to be painted to improve the look as its a very old kitchen(very small in size) .
old fashioned cupboard in one bedroom needs to be painted .