Question
Download Solution PDFকলেজ P-এর 180 জন শিক্ষার্থীর গড় নম্বর 88 এবং কলেজ Q-এর 320 জন শিক্ষার্থীর গড় নম্বর 72। উভয় কলেজের একসাথে গড় নম্বর নির্ণয় করো।
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFহিসাব:
কলেজ P এর মোট নম্বর 180 × 88 = 15840
কলেজের Q-এর মোট নম্বর 320 × 72 = 23040
মোট শিক্ষার্থীর সংখ্যা 320 + 180 = 500
গড় হবে, \(23040+15840\over500\) = 77.76
∴ সঠিক বিকল্পটি হল 3
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