Question

a river 3M Deep and 40m wide is flowing at the rate of 2 kilometre per hour how much water will fall into the sea in a
Minute.
​

Answer 1

ANSWER

Here, Area of river = depth × width

=3×40=120m

2

amount of water that falls into the sea ⇒ area of river × flow rate

⇒120m

2

×2

hr

km

​

⇒120×

(60)min

2×1000m

3

​

⇒4000

min

m

3

​

∴4000m

3

of water falls into the sea permin.