Question
At 7.50 a.m., a lorry started travelling at an average speed of 60 km/h. At 9.50 a.m., a bus started from the same place travelling on the same road. If the bus took 3 hours to catch up with the lorry, find the speed of the bus.
3 m

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At 7.50 a.m., a lorry started travelling at an average speed of 60 km/h. At 9.50 a.m., a bus started from the same place travelling on the same road. If the bus took 3 hours to catch up with the lorry, find the speed of the bus.