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ATQ,
Next train for Bhopal leaves at: 18:00 hrs Frequency of Bhopal train: Every 2 hours and 30 minutes Calculations: Previous train departure: 18:00−2 hours and 30 minutes=15:30 hrs Train for Lucknow left 40 minutes before the announcement. Let the announcement time be X. According to the given information: X−15:30=40 minutes Calculating X=15:30+0:40=16:10 hrs Final Answer: The announcement was made at 16:10 hrs.
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