6. How many square tiles of side 50 cm will be required to pave the floor of a rectangular room of length 4.2 m
and breadth 2.5 m.Find the total cost if the cost of one tile is Rs 52.
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Step-by-step explanation:
Length of the floor = 4.2 m = 420 cm
Breadth " " " = 2.5 m = 250 cm
Area " " " = l× b = 420 × 250
= 105000
Area of tiles = square of l
= square of 50 = 2500
no of tile required = 105000/2500 = 42
Cost of one tile = 52 rupees
" " " " = 52 × 42 = 2184 rupees
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