Dimensions of cuboidal room are 16m × 14m × 10m.find the cost of white washing the walls at the rate of rupees 5 per square metre ?
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Step-by-step explanation:
The dimensions of room is 12×8×4
The Lateral surface area is
2h(l+b)
2(4)(12+8)
8×20=160m
2
Cost of white wash is 5m
2
Total cost is 5×160=800Rs,
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