alleryএখন লেখত বৰষুণৰ পৰিমাণ দেখুওৱা হৈছে: জুন 120 mm, জুলাই 180 mm, আগষ্ট 150 mm। গড় বৰষুণৰ পৰিমাণ নিৰ্ণয় কৰক:
A140 mm
B150 mm
C160 mm
D130 mm
Answer & Solution
Correct answer: B. 150 mm
গড় বৰষুণ = (120 + 180 + 150) / 3 = 450 / 3 = 150 mm।
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