alleryایک بس 90 km 2 h میں، پھر 60 km 1 h میں طے کرتی ہے۔ اس کی مجموعی اوسط رفتار؟
A45 km/h
B60 km/h
C55 km/h
D50 km/h
Answer & Solution
Correct answer: D. 50 km/h
مجموعی اوسط رفتار ہے (90 + 60) ÷ (2 + 1) = 50 km/h۔
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