Level 2
Adam builds a toy car in 3 hours.
Adam and Bryan builds a toy car in 5 hours.
If Bryan builds a toy car by himself, how long will he take?
(Give the answer in fraction. Eg 1 13 h)
3 m
Level 3
Adam builds a toy car in 3 hours.
Bryan builds a toy car in 6 hours.
Chris builds a toy car in 5 hours.
If they work together,
how long does it take to build a toy car?
(Give the answer in fraction. Eg 1 13 h)
3 m
Level 3
Adam and Bryan builds a toy car in 4 hours.
Bryan and Chris builds a toy car in 6 hours.
Chris and Adam builds a toy car in 3 hours.
How long does it take for Adam, Bryan and Chris to build a toy car together?
3 m
Level 3 PSLE
The graphs show the total number of leaflets machines A and B printed from the start. Both machines started printing at the same time.
  1. How many more leaflets did B print than A in 5 minutes?
  2. Both machines did not change their rates of printing throughout. When A had printed 200 leaflets, how many leaflets had B printed?
2 m
Level 3
10 workers take 9 hours to paint 4 houses. How many hours will 5 workers take to paint 2 houses?
3 m