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A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hour. How much water (in litres) will fall into the sea in a minute?
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- 4,00,000
- 40,00,000
- 40,000
- 4,000
- 4,00,000
Correct Option: B
Volume of water flowed in an hour = 2000 × 40 × 3 cubic metre
= 240000 cubic metre
∴ Volume of water flowed in 1 minute
| = | = 4000 cubic metre | |
| 60 |
= 4000000 litre
