alleryएक आलेख पर्जन्यमान दर्शवतो: जून 120 mm, जुलै 180 mm, ऑगस्ट 150 mm. सरासरी पर्जन्यमान शोधा:
A140 mm
B150 mm
C160 mm
D130 mm
Answer & Solution
Correct answer: B. 150 mm
सरासरी पर्जन्यमान = (120 + 180 + 150) / 3 = 450 / 3 = 150 mm.
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