Level 2
There are 8 boys and 12 girls in a class. If each boy gets 15 sweets and each girl gets 20 sweets, what is the average number of sweets each child gets?
2 m
Level 3
Opal scored 77, 67, 80 and 72 marks for her first four History tests. She wishes to improve her average mark by 5. How many marks must she score for her next History test?
2 m
Level 3
Carl's timing for swimming in his first four heats were 42 s, 48 s, 50 s, and 52 s. He wishes to improve his overall average timing by 2 s. What timing must he clock in the fifth heat?
2 m
Level 3
The table shows the time taken by Harold to run 100 metres during his training sessions. After 5 attempts Harold wanted to improve his average time taken by 0.5 seconds by running faster in the 6th attempt. How fast should he run in the 6th attempt in order for him to make the improvement?
2 m
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Level 3
The table shows the heights of Aishah, Deepa, and Ruyi. The average height of these children is 133 cm. The digit in the ones place of Aishah's height and the digit in the tens place of Ruyi's height are covered by ink blots.
  1. What is the digit in the ones place of Aisha's height?
  2. What is the digit in the tens place of Ruyi's height?
2 m