alleryআধ ঘণ্টায় ঘণ্টার কাঁটা কত ডিগ্রি অতিক্রম করে?
A3°
B30°
C15°
D6°
Answer & Solution
Correct answer: C. 15°
প্রতি মিনিটে 0.5° হারে ত্রিশ মিনিটে 15° হয়।
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