Sus puts three cubes on the table. On top of those he puts two cylinders. On top of these he puts another cube. Which figure corresponds to Sus’s construction?
There are two holes in the cover of a book. When the book is open, it looks as shown. Which pictures does Olaf see through the holes when he closes the book?
Sara has 16 blue marbles. She can trade 3 blue marbles for 1 red marble, or 2 red marbles for 5 green marbles. What is the maximum number of green marbles she can get?
Steven wants to write each of the digits 2, 0, 1 and 9 in one of the boxes of the sum. He wants the largest possible answer. Which digit could he write instead of the question mark?
An apple and a pear together cost 5 cents. A banana and an apple together cost 7 cents. A pear and a banana together cost 10 cents. How much do all three cost together?
Each shape stands for a different number. The sum of the three numbers in each row is shown to the right of the row. Which number does the star stand for?
The pages of a book are numbered 1, 2, 3, 4, 5 and so on. The digit 5 appears exactly 16 times. What is the maximum number of pages this book could have?