Question

Squares tiles of side 20 cm are to be laid on the floor of a room 10m by 4.5m .How many tiles will be neede ? Find the cost of putting the tiles at Rs.131.40 per tile .​

Answer 1

Answer:

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Answer 2

length of a room 10m = 1000 cm

breadth of a room 4.5m = 450cm

Area of a room = 1000cm x 450cm

= 4,50,000 sq.cm