allery36 km/h গতিতে চলমান একটি 100 m ট্রেন একটি 200 m সেতুতে প্রবেশ করে। সেতুটি সম্পূর্ণ পার হতে কত সময় লাগবে?
A25 সেকেন্ড
B20 সেকেন্ড
C30 সেকেন্ড
D35 সেকেন্ড
Answer & Solution
Correct answer: C. 30 সেকেন্ড
36 km/h হল 10 m/s এবং ট্রেনটিকে 300 m অতিক্রম করতে হবে, যাতে 30 seconds সময় লাগে।
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