alleryبارہ پارسل اوسط 15 kg اور آٹھ اوسط 25 kg۔ مجموعی اوسط؟
A20 kg
B18 kg
C21 kg
D19 kg
Answer & Solution
Correct answer: D. 19 kg
مجموعی اوسط ہے (12 × 15 + 8 × 25) ÷ 20 = 19 کلوگرام۔
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