Level 1
A number when rounded off to one decimal place is 15.8. What could be the smallest possible actual number with two decimal places?
2 m
Level 1
A number X with 2 decimal places is added to 12.02. The answer is 15 when it is rounded off to a whole number. What is the largest possible number for X?
2 m
Level 2
Form the smallest four-digit number using the digits 1,2,3, 5 and 6.
2 m
Level 3
The bar graph shows the number of blouses sold at Tom's shop.
  1. In January, Tom sold _____ times as many blouses as in March.
  2. Each blouse was sold for $30. How much did he earn for the month when he sold the most number of blouses?
3 m
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?
2 m
Level 2
What is the greatest 4-digit odd number that can be formed using each of the digits once only?
4, 3, 8, 9
2 m
Level 3
The table shows the marks Michelle scored in her end of year examinations. Michelle scored an average of 75 marks for the 4 subjects. What is the greatest possible mark that she could have scored for Science?
2 m
Level 3
The table shows Fabian scores in 3 of the 4 games that he played.
Fabian will get a prize if his average score for three of the four games is 25 or more. What is the lowest score Fabian must score in the 4th game in order to get a prize?
2 m
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Level 3
The table shows the marks that Andy scored in his Science, English and Chinese tests. Part of the table is covered by an ink blot. The full marks for each test was 100. The average score for his three tests was 76 marks. Find the highest possible marks that Andy scored in his Science test.
2 m
Level 2
The line graph shows the temperature at different times of a day in a city.
  1. At what time was the temperature of the city the highest?
  2. During which 2-hour interval did the temperature decrease by 6°C?
3 m