The cost of preparing the walls of the room 12 m long at the rate of Rs 1.35 per metre square is Rs 340.20 and the cost of covering the floor with mat at 85 paise per metre square is Rs 91.80,find the height of the room
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21m
area of wall l*b
to find area divide cost with per m2 cost, then divide it with length 12.
area of wall l*b
to find area divide cost with per m2 cost, then divide it with length 12.
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