alleryএকটি ট্যাক্সি 30 km/h গতিতে 60 km যায় এবং একই 60 km পথ 60 km/h গতিতে ফিরে আসে। যাতায়াতের গড় গতিবেগ কত?
A45 km/h
B36 km/h
C40 km/h
D50 km/h
Answer & Solution
Correct answer: C. 40 km/h
মোট 120 km যেতে 2 h যোগ 1 h সময় লাগে, সুতরাং গড় গতিবেগ হল 120 / 3 = 40 km/h।
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