Correct Answer - Option 4 : 141516
The logic followed here is,
In 395 and 727
3 + 7 = 10
9 + 2 = 11
5 + 7 = 12
So, 395 and 727 is represented as 101112.
And,
In 276 and 957
2 + 9 = 11
7 + 5 = 12
6 + 7 = 13
So, 276 and 957 is represented as 111213.
Similarly,
In 689 and 877
6 + 8 = 14
8 + 7 = 15
9 + 7 = 16
Hence, 689 and 877 is represented as ‘141516’.