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Standard IX

Mathematics

Volume of a cuboid

The dimension...

Question

The dimensions of the room are 7 m × 6m × 5 m. The cost of white washing the walls of the room and the ceiling at the rate of Rs 10.50 per m²is

Rs 1800

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Rs 1806

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Rs 1866

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Rs 1860

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Solution

The correct option is B
Rs 1806

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The dimensions of a room are 9m × 8m × 6.5m. It has one door of dimensions 2 m×1.5m and two windows each of dimensions 1.5m×1m. Find the cost of white washing the walls at Rs. 6.40 per $m^{2}$ .

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The dimensions of the room are 7 m × 6m × 5 m. The cost of white washing the walls of the room and the ceiling at the rate of Rs 10.50 per m2 is

The correct option is B Rs 1806

The dimensions of the room are 7 m × 6m × 5 m. The cost of white washing the walls of the room and the ceiling at the rate of Rs 10.50 per m²is

The correct option is B
Rs 1806