Question

Find the value of a + b in the given magic square.​

Answer 1

By the diagonal we find the sum, 17 + 14 + 11 = 42

So the value of b will be 42 - (17 + 15) = 10 and the value of a will be 42 - (17 + 12) = 13

So the sum of a and b will be 10 + 13 = 23.