alleryबारह पार्सल औसत 15 kg और आठ औसत 25 kg। कुल मिलाकर औसत?
A20 kg
B18 kg
C21 kg
D19 kg
Answer & Solution
Correct answer: D. 19 kg
कुल औसत (12 × 15 + 8 × 25) ÷ 20 = 19 किग्रा है।
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