alleryநிமிட முள் 90° திரும்புகிறது. எவ்வளவு நேரம் கடந்துள்ளது?
A30 நிமிடங்கள்
B10 நிமிடங்கள்
C15 நிமிடங்கள்
D20 நிமிடங்கள்
Answer & Solution
Correct answer: C. 15 நிமிடங்கள்
நிமிடத்திற்கு 6° வீதம், 90°-க்கு 15 நிமிடங்கள் ஆகிறது.
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