alleryএকটি গাড়ি অপর একটি গাড়ির 240 km পেছনে থেকে 80 km/h গতিতে সেটিকে তাড়া করে, যেখানে সামনের গাড়িটি 60 km/h গতিতে চলছে। সামনের গাড়িটিকে ধরতে কত সময় লাগবে?
A6 ঘণ্টা
B10 ঘণ্টা
C8 ঘণ্টা
D12 ঘণ্টা
Answer & Solution
Correct answer: D. 12 ঘণ্টা
দূরত্বের ব্যবধান 20 km/h হারে হ্রাস পায়, সুতরাং 240 / 20 = 12 hours।
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