alleryএকটি গাড়ি P থেকে Q পর্যন্ত 120 km দূরত্ব 60 km/h গতিতে যায় এবং 40 km/h গতিতে ফিরে আসে। যাতায়াতের মোট সময় কত?
A5 ঘণ্টা
B4 ঘণ্টা
C4.5 ঘণ্টা
D6 ঘণ্টা
Answer & Solution
Correct answer: A. 5 ঘণ্টা
যাওয়ার জন্য 2 h এবং ফেরার জন্য 3 h সময় লাগে, সুতরাং মোট 5 hours।
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