Question
The time in Singapore is 1 h before Hanoi. Cindy took 5 h 5 min to fly from Singapore to Hanoi. She reached Hanoi at 6.25 a.m. At what time did her flight leave Singapore?
4 m

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The time in Singapore is 1 h before Hanoi. Cindy took 5 h 5 min to fly from Singapore to Hanoi. She reached Hanoi at 6.25 a.m. At what time did her flight leave Singapore?