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By Irrigation, Water Resources Engineering and Hydrology No Comments

If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be__________________?

A. 1 + (0.9)010
B. 1 – (0.9)°l0
C. 1/(1-0.9°10)
D. 1/(1+ 0.9010)

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