is the cell having fibre like structure

Sclerenchyma

Explanation:

Sclerenchyma is the term used to denote a tissue or cell type that has lignified walls.Sclerenchyma cells have thick lignified secondary walls and dies out  when mature and provides the main structural support to a plant.Sclerenchyma is the tissue which makes the plant hard in nature. Sclerenchyma is the supporting tissue.Two types of sclerenchyma cells are there : fibers and sclereids. Their cell walls are made up of cellulose, hemicellulose, and lignin.

This is what i did 45-5=4040÷4=10so there are 10 white marbles but am not sure is just a question that am not sure

The answer is reflection.