Question:

Level 3 PSLE

Blake and Steve ran in a race. When Steve had completed the race, Blake had only run^{5}_{8} 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?

3 m
Blake and Steve ran in a race. When Steve had completed the race, Blake had only run

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^{7}_{10} 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.

3 m
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

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^{5}_{8} of the track. Jen’s average speed was 75 m/min slower than David’s.

3 m
Jen and David started running together along a cross country track. When David completed the track in 40 minutes, Jen had run only

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

Level 3

After 20 minutes into a race, Daniel has run^{5}_{8} of the route while Piolo has covered only ^{3}_{8} 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.

4 m
After 20 minutes into a race, Daniel has run

Level 3

Building A and Building B were 360 km apart. A car travelled from Building A towards Building B. At the same time, a bus started from Building B to Building A. After travelling 1^{1}_{2} hours, the two vehicles were still 144 km apart. If the ratio of the average speed of the bus to that of the car was 4 : 5, find

4 m
Building A and Building B were 360 km apart. A car travelled from Building A towards Building B. At the same time, a bus started from Building B to Building A. After travelling 1

- the average speed of the bus.
- the time taken for them to meet. travelling the rest of the journey

Level 3

Ray left City B for City A at 07 30. Lindy left City B for City C at the same time. At 10 30, they were 480 km apart. Both maintained a constant speed and reached their destination at the same time at 12 00 h.

5 m
Ray left City B for City A at 07 30. Lindy left City B for City C at the same time. At 10 30, they were 480 km apart. Both maintained a constant speed and reached their destination at the same time at 12 00 h.

- Find the distance between Cities A and C.
- If Lindy's speed was
^{3}_{5}the speed of Fred, find Ray's speed.

Level 3

Raju and Shian left Town A for Town B at the same time. When Raju reached Town B in 4 hours, Shian had only completed^{3}_{8} of the distance between the two towns. Shian's speed was 30 km/h slower than Raju. What was Raju's speed?

5 m
Raju and Shian left Town A for Town B at the same time. When Raju reached Town B in 4 hours, Shian had only completed