ایک ٹیسٹ میں 70 (وزن 1) اور 85 (وزن 2) کے نشانات ہوتے ہیں۔ وزنی اوسط کیا ہے؟
A78
B82
C80
D77.5
Answer & Solution
Correct answer: C. 80
وزن والا کل 70 + 170 = 240 ہے، اور 240 کو 3 سے تقسیم کیا گیا 80 ہے۔
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