121 P5.SP.JC.22052501
Level 3
10 workers take 9 hours to paint 4 houses. How many hours will 5 workers take to paint 2 houses?
3 m
Rate more than 1 object Duration
122 P5.SP.JC.22020525
Level 3
An empty tank measures 50 cm by 20 cm by 35 cm. Water flows into the tank from Tap A at a rate of 25 ℓ per minute. At the same time, water drains from the tank from Tap B at a rate of 18 ℓ per minute. How long would it take to completely fill the tank?
3 m
Rate more than 1 object Duration Volume of cuboid Filling tank Units conversion
123 P5.SP.JM.17083112
Level 3
A tank measuring 30 cm by 24 cm by 20 cm was being filled by two taps. Tap X delivered water at a rate of 140 cm3 per minute while Tap Y delivered water at a rate of 100 cm3 per minute. How long did the 2 taps take to fill the tank completely? Express your answer in min.
3 m
Rate more than 1 object Duration Volume of cuboid Filling tank
124 P4.WN.PR.17100374
Level 2
In the training, Martin took 3 min 48 s to complete the 1st lap and 16 s longer to complete the 2nd lap. What was the total time Martin had taken to complete the two laps in the training? (Leave your answer in min and s)
2 m
W 4 operations Time Duration Model Comparison
125 P4.WN.PR.17100373
Level 2
The table shows the time taken by 5 girls to fold a paper rose. What is the total time taken by the 5 girls? Write the answer in minutes and seconds.
2 m
W 4 operations Duration Table

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