Level 1
The total height of the 4 girls is 620 cm.
The average height of the 4 girls is 155 cm.
How many girls are there?
1 m
Level 1
What percentage of the beaker is filled with water?
2 m
Level 1
108 cm : 2.4 m = _____ : _____
2 m
Level 2
A tap took 12 minutes to fill up a pail with a capacity of 4 ℓ. At the same rate, how long would it take for the tap to fill up 25% of a container with a capacity of 30 ℓ? Express your answer in min.
2 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