A hall is paved with 1 square metre tiles.If the length and breadth of the hall are 15 metre and 10 metre,how many tiles are needed?If each tile costs ₹15.50, find the cost of tiling.
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Answer:no of tiles =150
Cost=Rs.2325
Step-by-step explanation:
Area of tiles=1 sq.m. (given)
Area of floor = length of floor ×breadth of floor
= 15×10
So, no of tiles = area of floor÷ area of 1 tile
=( 15×10)÷ 1
= 150 tiles
Cost of tiling the floor= cost of 1 tile × no of tiles
= 15.50×150
= Rs.2325
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