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प्रश्न
A rectangular path of 60 m length and 3 m width is covered by square tiles of side 25 cm. How many tiles will there be in one row along its width? How many such rows will be there? Find the number of tiles used to make this path?
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उत्तर
Given, Length of path = 60 m
And width of path = 30 m
Side of square tile = 25 cm
= `25/100` m ...[∵ 1 m = 100 cm]
= 0.25 m
Diagram of path is shown below
Number of tiles in one row along width = `"Width"/"Side of one tile"`
= `3/0.25`
= `(3 xx 100)/25`
= 12
Number of rows = `"Length"/"Side of one tile"`
= `60/0.25`
= `60/25 xx 100`
= 240
Also, number of tiles = Number of tiles in one row × Number of rows
= 12 × 240
= 2880
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