Question
Download Solution PDF90-120 এবং 120-150 শ্রেণীর শ্রেণীমধ্যের যোগফল কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFঅনুসৃত সূত্র:
শ্রেণীমধ্য = (নিম্ন সীমা + উচ্চ সীমা)/2
গণনা:
90-120 এবং 120-150 = (90 + 120)/2 + (120 + 150)/2 এর শ্রেণীমধ্যের যোগফল
⇒ 210/2 + 270/2 = 105 + 135 = 240
∴ নির্ণেয় ফলাফল = 240
Last updated on Jul 10, 2025
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