alleryএকটি গাড়ি ধ্রুবক গতিবেগে 4 ঘণ্টায় 240 km অতিক্রম করে। 7 ঘণ্টায় এটি অতিক্রম করবে
A420 km
B400 km
C360 km
D380 km
Answer & Solution
Correct answer: A. 420 km
গতিবেগ হলো 60 km/h, সুতরাং 7 hours-এ দূরত্ব হলো 420 km।
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