Question
At 7.33 a.m., a lorry started travelling at an average speed of 68 km/h. At 8.33 a.m., a van started from the same place travelling on the same road. If the van took 4 hours to catch up with the lorry, find the speed of the van.
3 m

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At 7.33 a.m., a lorry started travelling at an average speed of 68 km/h. At 8.33 a.m., a van started from the same place travelling on the same road. If the van took 4 hours to catch up with the lorry, find the speed of the van.