Question

85 cm
Question 1. A wooden bookshelf has external dimensions as
follows: Height = 110 cm, Depth = 25 cm, Breadth
(see the figure). The thickness of the plank is 5 cm every-
where. The external faces are to be polished and the inner
faces are to be painted. If the rate of polishing is 20 paise
per cm' and the rate of painting is 10 paise per cm”, find the
total expenses required for polishing and painting the surface
of the bookshelf.​

Answer 1

Step-by-step explanation:

TU HIMANSHU HA NA ..........