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प्रश्न
The annual rainfall in Vidarbha in five years is given below. What is the average rainfall for those 5 years?
900 mm, 650 mm, 450 mm, 733 mm, 400 mm
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उत्तर
Average rainfall for 5 years = `"Total rainfall in 5 years"/(5 "Years")`
= `(900+650+450+733+400)/5`
= `3133/5`
= 626.6
Thus, average rainfall for 5 years is 626.6 mm.
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