Question
PSLE
A tank contained 29 litres of water at 16 00. A tap was turned on and water flowed into the tank from 16 00 to 20 00. The line graph shows the amount of water in the tank from 16 00 to 20 00. During which one-hour period was the increase in the volume of water the greatest? Give your answer in number. (Eg 1)

(1) 16 00 to 17 00
(2) 17 00 to 18 00
(3) 18 00 to 19 00
(4) 19 00 to 20 00 


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PSLE
A tank contained 29 litres of water at 16 00. A tap was turned on and water flowed into the tank from 16 00 to 20 00. The line graph shows the amount of water in the tank from 16 00 to 20 00. During which one-hour period was the increase in the volume of water the greatest? Give your answer in number. (Eg 1)

(1) 16 00 to 17 00
(2) 17 00 to 18 00
(3) 18 00 to 19 00
(4) 19 00 to 20 00