Question

The internal measures of a cuboidal room are with length as 12 m, breadth as 8 m and height as 10m. The total cost (in `) of whitewashing all four walls of the room and also the ceiling of the room, if the cost of whitewashing is `25 per m², is:

• A. 12,000
• B. 13,600
• C. 12,400
• D. 18,000

Answer 1

Answer: (C)