Level 3
Mr Kim wanted to buy some rice. He will have $12 left if he buys 3 kg of rice. However, he will need $4 more to buy 4 kg of rice. What is the cost of 1 kg of rice?
4 m
Level 2
Study the diagram. What is the mass of 1 star?
4 m
Level 2
Study the diagram. What is the mass of the pentagon?
4 m
Level 3
Five similar vases weigh 250 g more than 2 similar figurines. If each vase weighs 150 g, how heavy is each figurine?
4 m
Level 3
The mass of a stone is 42 g. The total mass of this stone and 5 identical marbles is equal to the total mass of 8 such marbles.
  1. Find the mass of each marble.
  2. Find the total mass of 1 stone and 5 marbles.
4 m