the length, breadth and height of a room are 6cm ,5cm and 2cm . find the cost of white washing the walls of the room and the ceiling at the rate of 6.50 per m^3
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Step-by-step explanation:
L.= 6cm B = 5cm H = 2cm
Volume of the room = L× B × H = 6×5×2 = 60/10000 cubic metre
1 cubic metre whitewashing cost = Rs 6.50
0.006 cubic m = 6.50 × 0.006 = 650/100 × 6/1000 = 65/10 × 6/1000 = 390/10000 = 39/1000
= Rs 0.039
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