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A chart shows rainfall: June 120 mm, July 180 mm, Aug 150 mm. Find the average rainfall:

A140 mm
B150 mm
C160 mm
D130 mm
Answer & Solution
Correct answer: B. 150 mm
Average rainfall = (120 + 180 + 150) / 3 = 450 / 3 = 150 mm.
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