Level 3
Joshua placed a toy in an empty rectangular tank 150 cm long and 50 cm wide. He then filled the tank with water flowing from a tap at a rate of 5 ℓ per minute. It took 3 minutes to fill the tank to a depth of 6.5 cm to cover the toy completely. Find the volume of the toy. Express your answer in cm3.
Level 3
A departmental store had 120 kettles for sale during a 7-day period. The line graph shows the number of kettles left unsold at the end of each day. The number of kettles left unsold at the end of Day 7 was not shown.
On which day (from Day 1 to Day 7), was the greatest number of kettles sold? Give your answer in number. (Eg 1)
The average number of kettles sold for the last three days was 14. How many kettles were sold on Day 7?
Level 3
A departmental store had 120 kettles for sale during a 7-day period. The line graph shows the number of kettles left unsold at the end of each day. The number of kettles left unsold at the end of Day 7 was not shown.
On which day (from Day 1 to Day 7), was the greatest number of kettles sold? Give your answer in number. (Eg 1)
The average number of kettles sold for the last three days was 14. How many kettles were sold on Day 7?
Level
At a concert, 14 of the tickets were sold at full price, 35 of the tickets sold at 40% discount, and the remaining 270 tickets were given away for free. Each ticket was sold at $90. What was the total amount collected from the sale of tickets?
Level 3
The figure not drawn to scale shows a cubical tank which is 37 filled with water.
What is the volume of water needed to fill up the tank to the brim?
Water is added to the tank at a rate of 12 litres per minute. At this rate, how long will it take to fill the tank completely? Give your answer in this format. (Eg 1 h 20 min)
Level 3
The figure not drawn to scale shows a cubical tank which is 37 filled with water.
What is the volume of water needed to fill up the tank to the brim?
Water is added to the tank at a rate of 12 litres per minute. At this rate, how long will it take to fill the tank completely? Give your answer in this format. (Eg 1 h 20 min)