Vicky and Sue started driving from the same building but in opposite directions along a straight road. After driving for 2 hours, they were 260 km apart. Vicky's average speed was 60 km/h. What was Sue's average speed?
A lorry and a bus were travelling from town A to town B which were 720 km apart. The bus set off 2 12 h later than the lorry but arrived 1 12 h earlier. If the average speed of the lorry was 60 km/h, find the average speed of the bus.
Ana and Tom started driving from the same place towards Cypress Tower at average speeds of 56 km/h and 80 km/h respectively. After some time, they were 80 km apart. How long had they been travelling?
Tania and Christian started off together from the park at the same time and drove towards the office at speeds of 87 km/h and 81 km/h respectively. How far apart would they be after 1 hour 20 minutes?
Level 2 PSLE
Elsa and Ana started jogging from the same place in opposite directions along a straight path. They jogged for 40 minutes. At the end of the jog, they were 7 km apart. Elsa's average speed was 6 km/h. What was Ana's average speed in km/h? Express the answer in mixed number.
At 9.30 a.m., a bus started travelling at an average speed of 60 km/h. At 11:30 a.m., a van started from the same place travelling on the same road. If the van took 3 hours to catch up with the bus, find the speed of the van.
Ron jogged while Bella walked from the same place but in opposite directions along a straight road. After 5 hours, they were 30 km apart. Ron's average speed was 1.2 km/h faster than Bella's average speed. What was Bella's average walking speed in km/h? Express the answer in decimal.
Level 3 A car is travelling from Town A to Town B. At 60 km/h, it will arrive four hours later than the scheduled time. At 70 km/h, it will arrive at two hours later than the scheduled time. What is the distance between Town A and Town B?
Martin and Ervin started together from the same bus-stop and ran along a track at the speed of 11 km/h and 7 km/h respectively. How far apart would they be in 15 minutes? Express the answer in km.
Level 3 PSLE
Esther and Margi took part in a cycling race. Esther cycled at a speed of 20 km/h. Both of them did not change their speed throughout the race. When Margi covered 12 the distance, Esther was 3.5 km in front of her. Esther reached the finishing line at 10.45 a.m. What time did Margi reach the finishing line?