Question
PSLE
Min and Diana started cycling at the same time along a 6.4 km track. Both did not change their speeds from start to finish. Min cycled at 400 m/min. When she reached the end of the track, she was 400 m ahead of Diana. What was Diana's cycling speed in m/min?
3 m

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PSLE
Min and Diana started cycling at the same time along a 6.4 km track. Both did not change their speeds from start to finish. Min cycled at 400 m/min. When she reached the end of the track, she was 400 m ahead of Diana. What was Diana's cycling speed in m/min?