alleryএকটি ট্রেন 4 ঘণ্টার যাত্রায় 80 km/h গড় গতিবেগ বজায় রাখে। এটি কতটা দূরত্ব অতিক্রম করে?
A320 km
B340 km
C300 km
D360 km
Answer & Solution
Correct answer: A. 320 km
সংজ্ঞা পুনর্বিন্যাস করে, দূরত্ব হলো 80 x 4 = 320 km।
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