alleryনয়টা বেজে কুড়ি মিনিটে কাঁটা দুটির মধ্যবর্তী কোণটি কত?
A160°
B140°
C170°
D150°
Answer & Solution
Correct answer: A. 160°
ঘণ্টার কাঁটাটি 270° + 10° = 280°-এ এবং মিনিটের কাঁটাটি 120°-এ থাকে, যার পার্থক্য 160°।
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