alleryనిమిషాల ముల్లు 90° తిరిగింది. ఎంత సమయం గడిచింది?
A30 min
B10 min
C15 min
D20 min
Answer & Solution
Correct answer: C. 15 min
నిమిషానికి 6° చొప్పున, 90° తిరగడానికి 15 నిమిషాలు పడుతుంది.
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