IKMC 2027 - Grades 5-6 - Self-study SET 14 - Thematic Batch 3 Question 22

Question 22

How many Z-shaped tetrominoes, O-shaped tetrominoes and V-shaped triominoes must be used to cover a 5×5 board without overlap?

1. Three V pieces, one Z piece and three O pieces
2. Three V pieces, two Z pieces and two O pieces
3. Three V pieces, three Z pieces and one O piece
4. All of A, B, C are correct
5. All the preceding answers are false