12. How many tiles whose length and breadth 12cm and 5cm will be needed to fit a rectangular region whose length and breadth respectively 125cm and 120cm.
13. Four square flower beds each of side 3m are dug on a piece of land 25 m long and 9m wide. What is the area of the remaining part of the land? very fast
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Answer:
area of tiles = length×breadth = 12×5=60cm2
area of rectangular region=125×120= 15000cm2
no of tiles = 15000/60= 250 tiles(answer)
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