alleryদুটি ট্রাক একই দিকে 60 km/h এবং 40 km/h গতিবেগে চলেছে। দ্রুততর ট্রাকটি ধীরগতির ট্রাকটির চেয়ে কী হারে এগিয়ে যায়?
A24 km/h
B20 km/h
C100 km/h
D50 km/h
Answer & Solution
Correct answer: B. 20 km/h
একই দিকে যাওয়ায় তাদের গতিবেগ বিয়োগ হয়, 60 - 40 = 20 km/h।
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