Level 1
A man can paint the house in 3 days. Assuming the same speed, how many days do 2 men take to paint the same house?
1 m
Level 2
Jane takes 2 h to travel from City A to City B. Joanne takes 3 h to travel from City B to City A. How long would Jane and Joanne take to meet along the way? Express your answer as decimals in h.
2 m
Level 2
Abel can paint a room in 6 hours. Bala can paint the same room in 3 hours. How long will it take for both of them to paint the same room together?
2 m
Level 2
Adam builds a toy car in 3 hours.
Bryan builds a toy car in 6 hours.
If they work together,
how long does it take to build a toy car?
3 m
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
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
Level 3
An empty tank measures 50 cm by 20 cm by 35 cm. Water flows into the tank from Tap A at a rate of 25 ℓ per minute. At the same time, water drains from the tank from Tap B at a rate of 18 ℓ per minute. How long would it take to completely fill the tank?
3 m