Q. Three balls ring at intervals of 15, 30 and 45minutes respectively. At what time will they ring together again, if they rang simultaneously at 8.00 AM?
A) 9.30 AM
B) 8.30 AM
C) 8.45 AM
D) 9.00 AM
✔ Correct Answer: 9.30 AM
Exam Insight
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A) 9.30 AM
B) 8.30 AM
C) 8.45 AM
D) 9.00 AM
✔ Correct Answer: 9.30 AM
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