Question:

Level 2 PSLE

Jack and Kim started their walk around a 15-km track at 9.00 a.m. They started at the same point but went in opposite direction. Jack's walking speed was 6 km/h and Kim was 4 km/h. They did not change their speeds throughout. At what time did they first pass each other?

Jack and Kim started their walk around a 15-km track at 9.00 a.m. They started at the same point but went in opposite direction. Jack's walking speed was 6 km/h and Kim was 4 km/h. They did not change their speeds throughout. At what time did they first pass each other?

2 m

Level 3

Lani was travelling from Point X to Point Y at a constant speed of 80 km/h. After 2 hours, she passed a bus coming from the opposite direction. Lani travelled another 160 km to reach Point Y. At this point, the bus was still 50 km from Point X. What is the average speed of the bus?

Lani was travelling from Point X to Point Y at a constant speed of 80 km/h. After 2 hours, she passed a bus coming from the opposite direction. Lani travelled another 160 km to reach Point Y. At this point, the bus was still 50 km from Point X. What is the average speed of the bus?

3 m

Level 3

Mrs Tan left home at 9 a.m. and drove towards the city. 1^{1}_{3} hour later, Mrs Tan left the house and drove at an average speed of 100 km/h towards the city. When Mrs Tan reached his destination at 1 p.m., Mrs Tan was 20 km away from the city. Find Mrs Tan's average speed in km/h. Express the answer in mixed number.

3 m
Mrs Tan left home at 9 a.m. and drove towards the city. 1

Level 3

At 6 a.m., Prince and John left Park A and drove towards Park B at average speeds of 105 km/h and 60 km/h respectively. Upon reaching Park B, Prince rested for 2 hours. He then headed back for Park A at an average speed of 105 km/h along the same route. Prince and John met each other on their way at 12 noon.

3 m
At 6 a.m., Prince and John left Park A and drove towards Park B at average speeds of 105 km/h and 60 km/h respectively. Upon reaching Park B, Prince rested for 2 hours. He then headed back for Park A at an average speed of 105 km/h along the same route. Prince and John met each other on their way at 12 noon.

- How far had Prince covered when he met John on the way?
- How far apart were the two parks?

Level 3

King took 6 hours to drive from Point A to Point B while Jack took 4 hours to drive from Point B to Point A. When they met each other, they were 48 km away from the midpoint of Point A and Point B. What was King's speed?

3 m
King took 6 hours to drive from Point A to Point B while Jack took 4 hours to drive from Point B to Point A. When they met each other, they were 48 km away from the midpoint of Point A and Point B. What was King's speed?

Level 3

The distance between Parryville Town and Queensland Town was 900 km apart. A car travelled at an average speed of 98 km/h from Parryville Town to Queensland Town. At the same time, a bus travelled at an average speed of 82 km/h from Queensland Town to Parryville Town. How much further did the car travel than the bus when the car met the bus on the way?

3 m
The distance between Parryville Town and Queensland Town was 900 km apart. A car travelled at an average speed of 98 km/h from Parryville Town to Queensland Town. At the same time, a bus travelled at an average speed of 82 km/h from Queensland Town to Parryville Town. How much further did the car travel than the bus when the car met the bus on the way?

Level 3

Town A and Town B were 420 km apart. At 11.55 a.m., Parry set off from Town A travelling at 80 km/h towards Town B, while Jan set off from Town B travelling towards Town A. They met on their way at 2.55 p.m. Find Jan's average speed.

3 m
Town A and Town B were 420 km apart. At 11.55 a.m., Parry set off from Town A travelling at 80 km/h towards Town B, while Jan set off from Town B travelling towards Town A. They met on their way at 2.55 p.m. Find Jan's average speed.

Level 3

At 12 p.m., a car left City X for City Y at an average speed of 100 km/h while a bus left City Y for City X at an average speed of 80 km/h. At 4.30 p.m., the two vehicles were 20 km apart. Find the distance between City X and City Y.

3 m
At 12 p.m., a car left City X for City Y at an average speed of 100 km/h while a bus left City Y for City X at an average speed of 80 km/h. At 4.30 p.m., the two vehicles were 20 km apart. Find the distance between City X and City Y.

Level 3 PSLE

A store and a school are 120 m apart. They are located between Barry's house and Jony's house, as shown. The store is exactly halfway in between the two houses. One day, Barry and Jony started cycling from their houses at the same time and they arrived at school together. Jony cycled at 70 m/min while Barry cycled at a speed 15 m/min faster than Jony.

A store and a school are 120 m apart. They are located between Barry's house and Jony's house, as shown. The store is exactly halfway in between the two houses. One day, Barry and Jony started cycling from their houses at the same time and they arrived at school together. Jony cycled at 70 m/min while Barry cycled at a speed 15 m/min faster than Jony.

- How much further did Barry cycle than Jony?
- How far is Jony's house from school? Express the answer in m.

3 m

Level 3

City A and City B is 760 km apart. At 09 00, Sunny, travelling at a constant speed, left City A for City B. At the same time, Ron set off from City B for City A at a constant speed which was 9 km/h faster than Sunny. Find Ron's speed if they met at 17 00.

3 m
City A and City B is 760 km apart. At 09 00, Sunny, travelling at a constant speed, left City A for City B. At the same time, Ron set off from City B for City A at a constant speed which was 9 km/h faster than Sunny. Find Ron's speed if they met at 17 00.