The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80 mm respectively, then the storm precipitation for station X will be | irrigation water resources engineering Questions

a)    70mm
b)    80mm
c)    90 mm
d)    105 mm
Ans: a

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