In the following question, a matrix of certain characters is given.These characters follow a certain trend, row-wise or column wise.Find out this trend and choose the missing character accordingly. 13 12 5 17 15 8 25 24 ? 29 21 20
Correct Answer: 7
Explanation:
Clearly, (3rd column)2 + (2nd column)2 = (1st column)2 In the first row, 52 + 122 = 132.
In the second row, 82 + 152 = 172.
Let the missing number in the third row be y.
Then y2 + 242 = 252 or y2 + 576 = 625 or y2 = 49 or y = 7.
