Level
There are some trucks and motorbikes. There are 9 more motorbikes than trucks. The total number of truck wheels is 20 more than the total number of motorbike wheels.
How many motorbikes are there?
How many more trucks are needed in order to get a total of 172 wheels?
Level 3
There are 2 groups of workers in a factory. There are 5 more workers in the first group than the second group. Each worker in the first group makes 4 toys in a minute but each worker in the second group makes only 3 toys in a minute. Both groups make a total of 4140 toys in an hour.
Level 3
Mr Lee organised a lucky draw event. He spent $382.20 on some toys and pouches. He bought 6 more pouches than toys. A toy costs $14.70 and a pouch costs $4.90. How many pouch did Mr Lee buy?
Level 3
Mr Poh is 30 years older than his son. 5 years from now, his son will be 13 of his age while his daughter will be 35 of his son's age. Express his daughter's present age as a fraction of Mr Poh's present age. Leave your answer in its simplest form.
Level 3
Chris runs 100 metres for 5 times. The average time taken for his first three runs is 14.5 seconds. He aims to have an average timing of 12.8 seconds for his five runs.
What is the average time he needs to take for his 4th and 5th run in order to achieve his aim?
If he runs 3 seconds faster in one of the five runs, what would be his average time for the five runs?
