1.
A service station storage tank needs refilling as there are only 1500 litres left in the tank. Petrol is pumped into the tank at the rate of 750 litres per minute.
How much petrol is in the tank at the start of the third minute?
2.
A service station storage tank needs refilling as there are only 2500 litres left in the tank. Petrol is pumped into the tank at the rate of 700 litres per minute.
How much petrol is in the tank at the start of the fifth minute?
3.
A service station storage tank needs refilling as there are only 850 litres left in the tank. Petrol is pumped into the tank at the rate of 400 litres per minute.
How much petrol is in the tank at the start of the eighth minute?
4.
A service station storage tank needs refilling as there are only 1850 litres left in the tank. Petrol is pumped into the tank at the rate of 500 litres per minute.
How much petrol is in the tank at the start the ninth minute?
5.
A service station storage tank needs refilling as there are only 2000 litres left in the tank. Petrol is pumped into the tank at the rate of 600 litres per minute.
How much petrol is in the tank at the start the tenth minute?
6.
A service station storage tank needs refilling as there are only 1500 litres left in the tank. Petrol is pumped into the tank at the rate of 600 litres per minute.
How much petrol is in the tank at the end the fourth minute?
7.
A service station storage tank needs refilling as there are only 1800 litres left in the tank. Petrol is pumped into the tank at the rate of 700 litres per minute.
How much petrol is in the tank at the end the sixth minute?
8.
A service station storage tank needs refilling as there are only 1900 litres left in the tank. Petrol is pumped into the tank at the rate of 750 litres per minute.
How much petrol is in the tank at the end the ninth minute?
9.
A service station storage tank needs refilling as there are only 1900 litres left in the tank. Petrol is pumped into the tank at the rate of 750 litres per minute.
How much petrol is in the tank at the end the tenth minute?
10.
A service station storage tank needs refilling as there are only 2000 litres left in the tank. Petrol is pumped into the tank at the rate of 600 litres per minute.
How much petrol is in the tank at the end the sixth minute?
11.
A water tank has a leak and needs repairs. It currently contains 16000 litres of water. A pump is hooked up to the outlet that drains out 700 litres per minute. The pump is turned on.
How much water is in the tank at the start of the 6th minute?
12.
A water tank has a leak and needs repairs. It currently contains 17000 litres of water. A pump is hooked up to the outlet that drains out 800litres per minute. The pump is turned on.
How much water is in the tank at the start of the 10th minute?
13.
A water tank has a leak and needs repairs. It currently contains 15000 litres of water. A pump is hooked up to the outlet that drains out 700 litres per minute. The pump is turned on.
How much water is in the tank at the start of the 9th minute?
14.
A water tank has a leak and needs repairs. It currently contains 18000 litres of water. A pump is hooked up to the outlet that drains out 900 litres per minute. The pump is turned on.
How much water is in the tank at the start of the 15th minute?
15.
A water tank has a leak and needs repairs. It currently contains 20000 litres of water. A pump is hooked up to the outlet that drains out 1100 litres per minute. The pump is turned on.
How much water is in the tank at the start of the 12th minute?
16.
A water tank has a leak and needs repairs. It currently contains 19000 litres of water. A pump is hooked up to the outlet that drains out 1100 litres per minute. The pump is turned on.
How much water is in the tank after 12 minutes?
17.
A water tank has a leak and needs repairs. It currently contains 18000 litres of water. A pump is hooked up to the outlet that drains out 900 litres per minute. The pump is turned on.
How much water is in the tank after 10 minutes?
18.
A water tank has a leak and needs repairs. It currently contains 16000 litres of water. A pump is hooked up to the outlet that drains out 500 litres per minute. The pump is turned on.
How much water is in the tank after 7 minutes?
19.
A water tank has a leak and needs repairs. It currently contains 15000 litres of water. A pump is hooked up to the outlet that drains out 800 litres per minute. The pump is turned on.
How much water is in the tank after 15 minutes?
20.
A water tank has a leak and needs repairs. It currently contains 14000 litres of water. A pump is hooked up to the outlet that drains out 500 litres per minute. The pump is turned on.
How much water is in the tank after 10 minutes?
21.
A water tank has a leak and needs repairs. It currently contains 15000 litres of water. A pump is hooked up to the outlet that drains out 500 litres per minute. The pump is turned on.
After how many minutes will the tank be empty?
22.
A water tank has a leak and needs repairs. It currently contains 16000 litres of water. A pump is hooked up to the outlet that drains out 600 litres per minute. The pump is turned on.
After how many minutes will the tank be empty?
23.
A water tank has a leak and needs repairs. It currently contains 17000 litres of water. A pump is hooked up to the outlet that drains out 700 litres per minute. The pump is turned on.
After how many minutes will the tank be empty?
24.
A water tank has a leak and needs repairs. It currently contains 18000 litres of water. A pump is hooked up to the outlet that drains out 900 litres per minute. The pump is turned on.
After how many minutes will the tank be empty?
25.
A water tank has a leak and needs repairs. It currently contains 19000 litres of water. A pump is hooked up to the outlet that drains out 600 litres per minute. The pump is turned on.
After how many minutes will the tank be empty?