Level 1
Fill in the blanks.
There are red stickers and blue stickers.
The number of red stickers and the total number of stickers are in the ratio of 2 : 5.
Number of red stickers = _____ u
Number of blue stickers = _____ u
Total number of stickers = _____ u
Number of less red stickers than blue stickers = _____ u
Level 3
A rectangular tank measuring 50 cm by 25 cm by 19 cm was 12 filled with water. There was a leak at the bottom of the tank and water seeped out at the rate of 5 m? per second. How many minutes would it take to empty the tank completely? Leave your answer correct to 1 decimal place.
Level 1
A group of 3 boys and 7 girls shared a bag of pencils. Each of them took 4 pencils. There were 15 pencils left. What is the total number of pencils in the box at first?
Level 1
The bar graph shows the average daily temperature experienced by Country A in a week. What was the difference in the highest and lowest average daily temperatures in that week?
Level 1
The bar graph shows the average daily temperature experienced by Country A in a week. What was the difference in the highest and lowest average daily temperatures in that week?
Level 3
An empty tank measures 50 cm by 20 cm by 35 cm. Water flows into the tank from Tap A at a rate of 25 ℓ per minute. At the same time, water drains from the tank from Tap B at a rate of 18 ℓ per minute. How long would it take to completely fill the tank?
Level 3
An empty tank measures 50 cm by 20 cm by 35 cm. Water flows into the tank from Tap A at a rate of 25 ℓ per minute. At the same time, water drains from the tank from Tap B at a rate of 18 ℓ per minute. How long would it take to completely fill the tank?