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മിനിറ്റ് സൂചി 90° യിലൂടെ തിരിയുന്നു. എത്ര സമയം കഴിഞ്ഞു?

A30 min
B10 min
C15 min
D20 min
Answer & Solution
Correct answer: C. 15 min
മിനിറ്റിൽ 6° എന്ന നിരക്കിൽ, 90° 15 മിനിറ്റ് എടുക്കുന്നു.
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