Level 2
From January to August last year, Sherrie read an average number of 7.5 story books per month. She did not read any story books in the next 4 months. On the average, how many story books did she read per month last year?
2 m
Level 1
The average mass of Perry, Ethan and Tom is 36 kg. The average mass of Perry and Ethan is 34 kg. Find Tom's mass.
2 m
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Level 1
The average cost of a duck and 6 turkeys is $10.20. The average cost of each turkey is $9.90. How much does the duck cost?
2 m
Level 1
A family's average monthly spending for August and September was $713. Their average monthly spending from October to December was $824. What was their total spending from August to December?
2 m
Level 1
The average of two numbers is 124 and the average of another set of two numbers is 262. Find the average of these four numbers.
2 m
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Level 2
A group of 50 girls and 20 boys took part in a Mathematics test. The average score of the girls was 50 points. While the average score of the boys was 64 points. What was the average score of all the students who participated in the test?
2 m
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Level 2
The average height of 3 children was 1.32 m. One of the children, whose height was 1.3 m, left the group. What was the average height of the remaining children?
2 m
Level 2
A group of 5 pupils scores an average of 83 marks in a test. When a new pupil joins the group, their average score decreases to 79 marks. How many marks does the new pupil score?
2 m
Level 2
The average height of six students is 125 cm. If the average height of five students is 120 cm, find the height of the sixth pupil.
2 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 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 bar graph shows the number of patients visiting a clinic during a period of time. The average number of patients visiting the clinic is 8 patients per hour.
  1. Which date is most probably a Sunday?
  2. What is the total number of patients visiting the clinic from 8 October to 12 October?
3 m
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.
  1. On which day (from Day 1 to Day 7), was the greatest number of kettles sold? Give your answer in number. (Eg 1)
  2. The average number of kettles sold for the last three days was 14. How many kettles were sold on Day 7?
2 m
Level 2
Janelle collected 288 cards. She gave 13 of them to her three siblings. On the average, how many cards did each of her siblings receive?
3 m
Level 3
Suzanne saved $468 in January. In February, her savings was 85% of the amount saved in January.
  1. How much money did she save in February?
  2. Suzanne was saving up money to go on a holiday which cost $2580. She has planned to save the remainder of the money for the holiday by the last day in June. What is the average amount of money she would need to save after January and February?
3 m
Level 3
The table shows the marks Lennie scored for 4 subjects.

Her target was to achieve an average of 75 marks for the 4 subjects. How many marks must she score for Mother Tongue to achieve the target?
3 m
Level 3
Jade buys a coat, a vest, a sweater and a windbreaker. The average cost of these items is $36. The total cost of the sweater and the windbreaker is 35 of the total cost of the coat and the vest. If the coat costs $16.60 and the windbreaker costs $11.50, find the difference in cost between the vest and the sweater.
3 m
Level 3
The table shows the time taken by 4 participants in a race. All the times recorded are in whole numbers. Some of the time recorded were blocked by an ink drop. The average time taken by the 4 participants was 60 seconds. The difference between the time taken by Gabriel and Owen was 2 seconds. Find the shortest possible time taken by Fred.
3 m