CTET Class I to V 17 Jan 2023 Paper

Which of the following items are a necessary component(s) of a resource room for primary school mathematics teaching and learning?
A. Charts, books and multiplication tables
B. Stationery items like pens, pencils, rulers, etc.
C. Concrete teaching-learning material like ganitmala, tangrams, 3D shapes, geoboards, blocks, tiles, etc.
D. Catalogues, teacher journals, and other reading materials for teachers