Question
PSLE
A tank was filled with 58 litre of water at 06 00. Water flowed out of the tank from 06 00 to 10 00. The line graph shows the amount of water in the tank from 06 00 to 10 00. During which one-hour period was the decrease in the volume of water the greatest? Give your answer in number. (Eg 1)

(1) 06 00 to 07 00
(2) 07 00 to 08 00
(3) 08 00 to 09 00
(4) 09 00 to 10 00 


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PSLE
A tank was filled with 58 litre of water at 06 00. Water flowed out of the tank from 06 00 to 10 00. The line graph shows the amount of water in the tank from 06 00 to 10 00. During which one-hour period was the decrease in the volume of water the greatest? Give your answer in number. (Eg 1)

(1) 06 00 to 07 00
(2) 07 00 to 08 00
(3) 08 00 to 09 00
(4) 09 00 to 10 00