In a cave, there were only two seahorses, one starfish and three turtles. Later, five seahorses, three starfish and four turtles joined them. How many sea animals gathered in the cave?
In Baby Roo’s house, each room is connected to any neighbouring room by a door (see the picture). Baby Roo wants to get from the room A to the room B. What is the least number of doors that he will need to go through?
There are twelve rooms in a building and each room has two windows and one light. Last evening, eighteen windows were lit. In how many rooms was the light off?
Amy used six equal small squares to build the shape on the right. What is the least number of equal small squares she should add to that shape in order to obtain a larger square?
Five sparrows sat on a wire as shown in the picture. Each sparrow chirped only once to each bird it saw on its side. For example, the third sparrow chirped twice as it saw the fourth sparrow and the fifth sparrow. In total, how many times did they chirp?
In the picture you see 4 ladybirds. Each one sits on a flower. The flower that a ladybird sits on is defined as follows: the difference between the number of dots on their wings is the number of leaves and the total number of dots on their wings is the number of petals. Which of the following flowers has no ladybird?
On each of the six faces of a cube, there is one of the following six letters: A, B, C, D, E and F. Each letter is used only once. In the picture we can see the cube in two different views. Which letter is opposite to the letter E?