From the Survey of India map, the distance of the critical point is 20 km and difference in elevation is 193 m. The over land flow time, is

1.

From the Survey of India map, the distance of the critical point is 20 km and difference in elevation is 193 m. The over land flow time, is

[A].	2 hours
[B].	3 hours
[C].	2 hours and 30 minutes
[D].	3 hours and 30 minutes
[E].	4 hours.

Answer: Option E

Explanation:

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