alleryஒரு வரைபடம் மழைப்பொழிவைக் காட்டுகிறது: ஜூன் 120 mm, ஜூலை 180 mm, ஆகஸ்ட் 150 mm. சராசரி மழைப்பொழிவைக் காண்க:
A140 mm
B150 mm
C160 mm
D130 mm
Answer & Solution
Correct answer: B. 150 mm
சராசரி மழைப்பொழிவு = (120 + 180 + 150) / 3 = 450 / 3 = 150 mm.
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