alleryএকটি যাত্রাকে সমান দৈর্ঘ্যের দুটি অর্ধে ভাগ করা হয়েছে, যা 36 km/h এবং 60 km/h গতিতে অতিক্রম করা হয়। যাত্রাটির গড় গতিবেগ কত?
A45 km/h
B46 km/h
C48 km/h
D50 km/h
Answer & Solution
Correct answer: A. 45 km/h
2 x 36 x 60 / 96 = 4320 / 96 = 45 km/h।
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