- A60
- B120
- C66
- D54
Step-by-Step Solution
We need LCM(15,20). . LCM = . So both depart together again 60 minutes later, at 10:00 am.
Answer: A) 60
At a railway platform in Chennai, train A departs every 15 minutes and train B every 20 minutes.
Both left together at 9:00 am.
At what time will both trains next depart together? (Give the answer as minutes after 9:00 am.)
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