Level 3
A rectangular tank measuring 50 cm by 25 cm by 19 cm was 12 filled with water. There was a leak at the bottom of the tank and water seeped out at the rate of 5 m? per second. How many minutes would it take to empty the tank completely? Leave your answer correct to 1 decimal place.
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?
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?
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.
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)
