Level 3 PSLE
Two toy cars, Car A and Car B competed in a race. The speed of Car A was 15 cm/s faster than that of Car B. When Car A crossed the finishing line in 10 seconds, Car B had only completed ²₃ of the race. What was the distance of the race?

Level 3 PSLE
Blake and Steve ran in a race. When Steve had completed the race, Blake had only run ⁵₈ of the distance. Steve's speed was 75 m/min faster than Blake's speed. Both of them did not change their speeds throughout the race. What was Blake's speed in m/min?

Level 3
A bus and a car started travelling from Town A to Town B at the same time. After 5 hours, the car reached Town B while the bus covered only ⁷₁₀ of the journey. The speed of the car was 21 km/h more than the speed of the bus. Find the speed of the bus.

Level 3
Jen and David started running together along a cross country track. When David completed the track in 40 minutes, Jen had run only ⁵₈ of the track. Jen’s average speed was 75 m/min slower than David’s.

1. How long was the cross country track in m?
2. Find Jen’s average speed in m/min.

Level 3
After 20 minutes into a race, Daniel has run ⁵₈ of the route while Piolo has covered only ³₈ of the distance. Daniel runs at the same average speed throughout the race and Piolo's average speed is 60 m/min slower than Daniel's. If Piolo wants to finish the race at the same time as Daniel, by how many percent should he increase his average speed by for the remaining part of the race? Round off the answer to the nearest whole number.