Asked by Abhijeetoo7 | 19th Feb, 2010, 11:40: AM

Expert Answer:

This question of NCERT is incorrect. We will soon provide you the correction.

Else, It should be done like this:

Volume of water in valley = 3 x (Volume of water in the river)

Area x Height = 3 x (length x wide x depth)

Answered by  | 19th Feb, 2010, 02:04: PM

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