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Water in a canal , 30 cm wide ad 12 dm ...

Water in a canal , 30 cm wide ad 12 dm deep is flowing with velocity of 10 km/hr . How much area will it irrigate in 30 minutes, if 8 cm of standing water is required for irrigation ?

A

`250000000 cm^(2)`

B

`25000 m^(2)`

C

` 15 000 m^(2)`

D

` 20000 m^(2)`

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