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ঘণ্টার কাঁটা এক পূর্ণ পাক সম্পূর্ণ করতে কত মিনিট সময় নেয়?

A720
B360
C1440
D60
Answer & Solution
Correct answer: A. 720
ঘণ্টার কাঁটা 12 ঘণ্টায় 360° ঘোরে, যা 720 মিনিট।
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