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A room is 6 m long, 5 m wide and 4 m high. Mohan wants to whitewash the four walls and the ceiling (not the floor).
The rate of whitewashing is Rs 8 per square metre.
Find the total cost of whitewashing.

Class 8Surface Area of Cuboid and CubeMensuration
  • ARs 944
  • BRs 704
  • CRs 1184
  • DRs 760

Step-by-Step Solution

Walls = . Ceiling = lb = 30. Total area = 88 + 30 = 118 sq m. Cost = = Rs 944.
Answer: A) Rs 944

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