Question 22
Place the numbers 1 to 9 once each in the 3×3 grid, one number in each cell. The numbers 1, 8 and 6 are in the top row. The numbers 8, 3, 5, 1, 9 and 4 are not in the right column. The numbers 9, 4 and 2 are in the bottom row. The numbers 6, 4, 3, 1, 7 and 2 are not in the left column. What number is in the centre cell?
