Find the missing number in the table.
121
We can arrange the table:
4^2 | 10^2 | 7^2 ---------------- x^2 | 5^2 | 12^2 ---------------- 8^2 | 9^2 | 6^2
Here the numbers are 4 to 12. As 11 is missing, the answer is 11^2 or 121.
