alleryএকটি মেয়ে 3 km পূর্ব দিকে এবং 4 km উত্তর দিকে হাঁটার পর সরাসরি শুরুর স্থানে ফিরে আসে। সে মোট কত পথ হেঁটেছে?
A7 km
B12 km
C10 km
D14 km
Answer & Solution
Correct answer: B. 12 km
ফিরে আসার দূরত্ব হলো 5 km, তাই মোট দূরত্ব হলো 3 যোগ 4 যোগ 5, অর্থাৎ 12 km।
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