The length the breadth and the height of a cuboidal room are given as 80 m 70m and 80 m respectively...........

Quantitative Aptitude (MTS) Mensuration 2D

The length, the breadth, and the height of a cuboidal room are given as 80 m, 70m, and 80 m, respectively. What will be the

total cost of painting the four walls of this room, at the rate of 50 paise per square metre?

This questions was previously asked in

SSC MTS 25th July 2022 Shift-1

Rs1,20,000

Rs28,000

Rs48,000

Rs12,000

- To find the cost of painting, calculate the area of the four walls.

- The formula for the area of the four walls is 2(height * (length + breadth)).

- Here, the height is 80 m, the length is 80 m, and the breadth is 70 m.

- So, the area is 2 * 80 * (80 + 70) = 2 * 80 * 150 = 24,000 square meters.

- The cost of painting per square meter is 0.5 Rs (50 paise).

- Therefore, the total cost is 24,000 * 0.5 = Rs 12,000.

- Option 4: Rs 12,000 is the correct answer.

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