A river 3 m deep and 10 m wide is flowing at the rate of 2 km per hour. How much water will fall into the sea in a minute?a)1000 lb)10 klc)1000 kld)100 klCorrect answer is option 'C'. Can you explain this answer?

First, calculate the cross-sectional area of the river by multiplying the depth by the width:
3 m times 10 m gives 30 square meters.
Next, convert the water’s speed from km per hour to m per minute.
Since 2 km per hour is 2000 m per hour and there are 60 minutes in an hour, the speed is 2000 divided by 60, which is approximately 33.33 m per minute.
Then, multiply the area by the speed to determine the volume of water flowing per minute: 30 square meters times 33.33 m equals 1000 cubic meters per minute.
Finally, convert cubic meters to liters knowing that 1 cubic meter is 1000 liters, which means 1000 cubic meters equals 1000 times 1000 or 1000000 liters.
Expressing this in kiloliters (where 1 kiloliter equals 1000 liters) gives 1000 kl.
Therefore, the correct answer is 1000 kl.

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