the lenght breadth and height of a room are 5m,4m ans 3m respectively find the cost of white washing the walls of the room and the ceiling at the rate of Rs. 7.50 per m ^
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Answer:
cost = (5×4×3)-(5×4)×7.50
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Answer:
Cost Of Whitewashing the length of room - 5 X 7.50= Rs 37.50
Cost of Whitewashing The breath of room - 4 x 7.50 = Rs 30
Cost of Whitewashing The height of room - 3 X 7.50 = Rs 22.50
Therefore , Cost Of White Washing The Room = Rs 37.50+Rs 30+ Rs 22.75 = Rs 90
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