Level 1 PSLE
A tank was filled with 55 litre of water at 07 00. Water flowed out of the tank from 07 00 to 11 00. The line graph shows the amount of water in the tank from 07 00 to 11 00.
During which one-hour period was the decrease in the volume of water the greatest?
Give your answer in number. (Eg 1)
(1) From 0700 to 0800
(2) From 0700 to 0900
(3) From 0900 to 1000
(4) From 1000 to 1100
Level 1 PSLE
A tank was filled with 55 litre of water at 07 00. Water flowed out of the tank from 07 00 to 11 00. The line graph shows the amount of water in the tank from 07 00 to 11 00.
During which one-hour period was the decrease in the volume of water the greatest?
Give your answer in number. (Eg 1)
(1) From 0700 to 0800
(2) From 0700 to 0900
(3) From 0900 to 1000
(4) From 1000 to 1100
Level 1 PSLE A tank was filled with 48 litres of water at 06 00. Water flowed out of the tank from 06 00 to 11 00. The line graph shows the amount of water in the tank from 06 00 to 10 00. What was the average decrease in the volume of water in litres per hour from 06 00 to 10 00? (Give your answer in ℓ.)
Level 1 PSLE A tank was filled with 48 litres of water at 06 00. Water flowed out of the tank from 06 00 to 11 00. The line graph shows the amount of water in the tank from 06 00 to 10 00. What was the average decrease in the volume of water in litres per hour from 06 00 to 10 00? (Give your answer in ℓ.)
Level 3
A typist can type 60 words per minute. For every 120 words, 4 words are typed wrongly. At this rate, how many words are typed correctly in 6 minutes?
Level 2
Water is leaking from a tank measuring 125 cm by 84 cm by 110 cm at a rate of 3.5 ℓ per minute. After 5 hours, the tank is empty. What was the depth of water in the tank at first?
Level 2
A rectangular tank measures 30 cm by 20 cm by 10 cm. Water from a tap flows into the tank at 500 mℓ per minute. How long will it take to fill half of the tank? Express your answer in minutes.
Level 2
A rectangular tank measures 30 cm by 20 cm by 10 cm. Water from a tap flows into the tank at 500 mℓ per minute. How long will it take to fill half of the tank? Express your answer in minutes.
Level 2 PSLE
A machine started printing posters at 8.00 a.m. on Monday at the rate of 1000 posters per hour. After every 6 hours of printing, it was stopped for an hour. How many posters were printed by 10.00 a.m. the next day?
Level 2
An empty tank has dimension 80 cm by 60 cm by 40 cm. A tap was turned on to fill into the tank at the rate of 5 litres per minute. How long did it take for 12 of the tank to be filled with water? Give your answer in minutes.
Level 2
Water is pumped into a rectangular tank at a rate of 16.5 ℓ per minute. The tank measures 110 cm by 90 cm by 50 cm. How long does it take to fill the tank? Express your answer in min.
Level 2
A tap took 12 minutes to fill up a pail with a capacity of 4 ℓ. At the same rate, how long would it take for the tap to fill up 25% of a container with a capacity of 30 ℓ? Express your answer in min.