Question

a room is 13m long ,10.5m wide,5.4m high.A paper is to fixed on all the walls of the room .if the room has three doors each of length2.5m and breadth2m ,find the cost of fixing the wall paper at the rate of 35rs per msquare.

Answer 1

Answer:₹8883

Step-by-step explanation:

length = 13 m

breadth = 10.5 m

height = 5.4 m

area of the 4 walls = 2(l+b)×h

= 47 × 5.4

= 253.8 m²

rate of fixing paper = ₹35/m²

so total cost = rate × area of 4 walls

= 35 × 253.8

= ₹8883(ans)

hope it helps you!!