একটি পরীক্ষায় প্রাপ্ত নম্বর 70 (ভার 1) এবং 85 (ভার 2)। ভারযুক্ত গড় কত?
A78
B82
C80
D77.5
Answer & Solution
Correct answer: C. 80
ভারযুক্ত মোট মান হলো 70 + 170 = 240, এবং 240-কে 3 দিয়ে ভাগ করলে 80 হয়।
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