Question:

Level 3

A black bus left Town A for Town B at the same time when a white bus left Town B to Town A. The average speed of the black bus and the white bus were 56 km/h and 72 km/h respectively. The two buses passed each other at a point 24 km from the midway of the two towns. How far apart are these two towns?

3 m
A black bus left Town A for Town B at the same time when a white bus left Town B to Town A. The average speed of the black bus and the white bus were 56 km/h and 72 km/h respectively. The two buses passed each other at a point 24 km from the midway of the two towns. How far apart are these two towns?

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^{1}_{2} 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?

3 m
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

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

A tank is to be filled to the brim. Tap A takes 20 minutes to fill the tank while Tap B takes 15 minutes to fill it. How long will it take to completely fill the tank with water if both the taps are turned on at the same time? Leave the answer in minutes and round off to 1 decimal place.

4 m
A tank is to be filled to the brim. Tap A takes 20 minutes to fill the tank while Tap B takes 15 minutes to fill it. How long will it take to completely fill the tank with water if both the taps are turned on at the same time? Leave the answer in minutes and round off to 1 decimal place.

Level 3

It takes Faucet X 15 minutes to fill a tank measuring 14 cm by 8 cm by 12 cm completely while it takes Faucet Y only 10 minutes. How long will it take to completely fill the tank with water if both faucets are turned on at the same time and 3 cubic cubes of edges 3 cm, filled with water, are poured into the tank? Leave the answer in minutes and round off to 2 decimal places.

4 m
It takes Faucet X 15 minutes to fill a tank measuring 14 cm by 8 cm by 12 cm completely while it takes Faucet Y only 10 minutes. How long will it take to completely fill the tank with water if both faucets are turned on at the same time and 3 cubic cubes of edges 3 cm, filled with water, are poured into the tank? Leave the answer in minutes and round off to 2 decimal places.

Level 3

At first, Container X, measuring 80 cm by 20 cm by 60 cm was empty and three fifth of Container Y, measuring 60 cm 30 cm by 42 cm, was filled with water. Both faucets were turned on at the same time and water from both faucets flowed at the same rate of 1.6 litres per minute. How long did it take for the height of the water to be the same in both containers?

At first, Container X, measuring 80 cm by 20 cm by 60 cm was empty and three fifth of Container Y, measuring 60 cm 30 cm by 42 cm, was filled with water. Both faucets were turned on at the same time and water from both faucets flowed at the same rate of 1.6 litres per minute. How long did it take for the height of the water to be the same in both containers?

4 m

Level 3 PSLE

Two rectangular tanks are shown. At first, Tank X was empty and one quarter of Tank Y was filled with water. Both taps were turned on at the same time and water from both taps flowed at the same rate of 1.6 litres per minute. How much time will it take for the height of the water to be the same in both tanks? (1 litre = 1000 cm^{3} )

Two rectangular tanks are shown. At first, Tank X was empty and one quarter of Tank Y was filled with water. Both taps were turned on at the same time and water from both taps flowed at the same rate of 1.6 litres per minute. How much time will it take for the height of the water to be the same in both tanks? (1 litre = 1000 cm

4 m

Level 3

The figure is not drawn to scale. At first, Tank A, measuring 60 cm by 10 cm by 40 cm was empty and one third of Tank B, measuring 50 cm by 20 cm by 36 cm, was filled with water. Both taps were turned on at the same time and water from both taps flowed at the same rate of 1.2 litres per minute. How long did it take for the height of the water to be same in both tanks?

The figure is not drawn to scale. At first, Tank A, measuring 60 cm by 10 cm by 40 cm was empty and one third of Tank B, measuring 50 cm by 20 cm by 36 cm, was filled with water. Both taps were turned on at the same time and water from both taps flowed at the same rate of 1.2 litres per minute. How long did it take for the height of the water to be same in both tanks?

4 m

Level 3

Edward cycled from the mall to the bank at 80 m/min. His sister cycled from the bank to the mall at 65 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When Edward reached the mall, his sister was 480 m from the bank. What was the distance between the mall and the bank?

4 m
Edward cycled from the mall to the bank at 80 m/min. His sister cycled from the bank to the mall at 65 m/min. Both of them started cycling towards each other at the same time and did not change their speeds throughout their journey. When Edward reached the mall, his sister was 480 m from the bank. What was the distance between the mall and the bank?