Question

The length, breadth and height of a room are 15 m, 14m and 13m. Find the cost of colour washing its
four walls and ceiling at the rate of Rs 5 per square metre.​

Answer 1

Answer:

Cost = Area/5

cost =13×14×15/5

cost =2730/5

cost= 546

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Length of a room = 15m

Breadth of a room = 14m

Area of the room = 15 × 14

= 210

Cost of colouring a wall = 5 rs. per square metre

Cost of colouring 4 walls = 210×5

= 1050 rs.