Level 2
When a number is divided by 80, the quotient is 800. What is the quotient when the same number is divided by 20?
2 m
Level 3
Olivia has 60% as many erasers as Penny. Penny has 180% as many erasers as Kate. If Penny gives 30 erasers to Kate, both will then have an equal number of erasers. Find the average number of erasers the three of them have.
3 m
Level 3
A fruit seller displayed the same amount of each type of fruits for sale every morning from Monday to Saturday in a week. She charted each type of fruits which were left unsold at the end of the week as shown in the graph.
  1. Which type of fruit was the most popular?
  2. If she had 720 fruits in the beginning of the week, how many fruits did she sell in the week?
3 m
Level 3
Queenie and Violet collect pens. Queenie gave 50% of her pens to Violet and as a result, Violet's pens increased by 40%. If Queenie has 84 pens left, find the number of pens Violet must give to Queenie in the end so that they have equal number of pens.
3 m
Level 3
At first, Beaker A and Beaker B contained 0.6 ℓ and 1.6 ℓ of water respectively. Some water from Beaker B was poured into Beaker A with no water spilling over. In the end, there was as much water in Beaker A as in Beaker B. How much water was poured from Beaker B to Beaker A?
3 m