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Answer 1

Answer:

10 tiles can cover at the rate of rs225.0

Step-by-step explanation:

length of the tile = 12cm

breadth of the tile = 10cm

area = lb

12*10 = 120 cm

length of the wall = 4m= 400cm

breadth of the wall = 3m = 300cm

area = 400*300 = 1200cm

number of tiles = a/a = 1200/120 = 10

rate of 1 tile = 22.50 RS

rate of 10 tiles = 22.50*10 = 225.0