1. Each of the 5 boxes contains either apples or bananas, but not both. The total weight of all the bananas is 3 times the weight of all the apples. Which boxes contain apples?

2. There are some apples and 8 pears in a basket, each of them green or yellow. There are three more apples than the total number of green fruit. There are 6 yellow pears. How many yellow apples are there in the basket?

3. Roo wrote each of the numbers 1, 2, 3, 4 and 5 in one of the circles so that the sum of the numbers in the row is equal to the sum of the numbers in the column.
What number could be written in the circle with the question mark?

4. John and Olivia exchanged sweet. First, John gave Olivia as many sweets as Olivia had. Then, Olivia gave John as many sweets as John had after the first exchange. After these two exchanges, each had 4 sweets. How many sweets did John have at the beginning?

5. Several teams came to the summer Kangaroo camp. Each team has 5 or 6 members. There are 43 people in total. How many teams are at this camp?

6. Ann replaces letters in the calculation KAN-ROO+GA with numbers from 1 to 9 and then calculates the result/ The same letters are replaced by the same numbers. Different letters are replaced by different numbers. What is the largest possible result she could get?

7. The sum of three numbers is 50. Karin subtracts a secret number from each of these numbers. She gets 24, 13, and 7 as the results. Which one of the following is one of the original three numbers?

8. Rosana has some balls of 3 different colours. Balls of the same colour have the same weight. What is the weight of each white ball ?

9. The Koala ate some leaves from 3 branches. Each branch had 20 leaves. The Koala ate a few leaves from the first branch and then ate as many leaves from the second branch as were left on the first branch. Then it ate 2 leaves from the third branch.
How many leaves in total were left on the 3 branches?

10. Mia throws darts at balloons worth 3, 9, 13, 14 and 18 points. She scores 30 points in total. Which balloon does Mia definitely hit?