A shape is made by fitting together the four pieces of card with no overlaps. Which of the following shapes is not possible ?

Andrew writes the letters fron the word KANGAROO in the fields of a table. He can begin where he wants and then must write each consecutive letter in a field that shares at least one point with the previous field. Which of the following tables could Andrew not produce ? 

Four of the numbers on the left are moved into the cells on the right so that the addition is correct.

Which number remains on the left ?

Nina used 36 identical cubes to build a fence of cubes around a square region. Part of her fence is shown in the picture. How many more cubes will Nina need in order to fill the reion inside her fence ?

Some square floors have been covered with white and grey tiles. Floors using 4 and 9 grey tiles are shown in the picture.

Each floor has a grey tile in every corner and all the tiles around a grey tile are white. How many white tiles are needed altogether for a floor using 25 grey tiles ? 

 You can choose any two triangles and overlap them as you want. Which of the following polygons cannot be the shape of the overlapping part ?

Barbara wrote “KAENGURUWETTBEWERB” on a blackboard. For same letters she used the same colour, for different letters different colours. How many different colours did she use  ?

Three bars of chocolate cost 6 dollars. How much does one bar of chocolate cost ?

A blackboard has a total unfolded length of 6m. The middle section is 3m long. How long is the section labelled with a question mark ?

On the 24^th February 2012 Grandfather’a chicks hatched. There are 29 days in February in 2012. How old are the chicks today on 15^th March 2012 ?

Which pattern will you get if you join the centres of each of the neighbouring hexagons ?

The number three should be added to the number 6. This amount is then doubled and the result increased by 1. Which of the following sums fits this description ?

In the school for animals there are 3 cats, 2 ducks, 2 sheep and some dogs. The teacher counted the legs of all the animals, and got 44. How many dogs go to the school ?

The last row in an aeroplane is row 25. There is no row 13 and row 15 has only 4 seats. Every other row has 6 seats. How many passenger seats are there on this aeroplane ?

In addition to the weight of the basket a single balloon can lift 80 kg. 2 balloons can lift 180kg in addition to the weight of the basket. How heavy is the basket ?