Fedya has 4 red cubes, 3 blue cubes, 2 green cubes, and 1 yellow cube. He is building a tower ( see the picture ) in such a way that no two cubes touching each other have the same colour. What is the colour of the cube with the question mark ?
IKMC Grade 1 - 2
Câu hỏi liên quan
Each of the 4 keys fits only one of the 4 padlocks and the numbers on the keys refer to the letters on the padlocks
What is written on the last padlock ?
Sophie is arranging black and white marbles following the pattern shown in the picture.
How will the marbles appear on the top level where the question mark ? is located ?