Question

The length, breadth and height of the class room of class-II is 6m., 4m and 3 m
respectively. There is a door of 2m. 1.3m. and there are two windows of 14
m. x 1.2 m. Let's calculate the total expenditure of cementing the floor, colouring
the door and windows and whitewashing the four side walls and roof at the same
rate. [Let's do]​

Answer 1

Answer:

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