Mathematics · Time and Distance
एक सिग्नल हर 2 सेकंड में पीली रोशनी चमकाता है। शुरुआत में पहली बार चमकने को शामिल करते हुए, 1/2 घंटे में यह कितनी बार चमकेगा?
- 1902
- 2901✓
- 3900
- 4899
सही उत्तर देखें
901
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