৫০ জন ছাত্রের গড় CGPA ৪.৬০ এবং ৪০ জন ছাত্রের গড় CGPA ৪.৭২ । এই ৯০ জন ছাত্র ছাত্রীর গড় CGPA কত?
A. 4.66
B. 4.65
C. 4.6
D. 4.72
সঠিক উত্তরঃ
B.
4.65
Explanation:
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