alleryমিনিটৰ কাঁটাডাল 90° ঘূৰে। কিমান সময় পাৰ হৈছে?
A30 min
B10 min
C15 min
D20 min
Answer & Solution
Correct answer: C. 15 min
প্ৰতি মিনিটত 6° হিচাপত, 90° ৰ বাবে 15 মিনিট সময় লাগে।
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