alleryএকটি চার্টে বৃষ্টিপাত দেখানো হয়েছে: জুন 120 mm, জুলাই 180 mm, আগস্ট 150 mm। গড় বৃষ্টিপাত নির্ণয় করুন:
A140 mm
B150 mm
C160 mm
D130 mm
Answer & Solution
Correct answer: B. 150 mm
গড় বৃষ্টিপাত = (120 + 180 + 150) / 3 = 450 / 3 = 150 mm।
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