Comprehension Passage
Follow the given number series to answer the questions.
7 1 9 3 2 6 5 8 4 7 3 5 2 4 8 2 2 6 9 6 3 5 9 1 4 2 9 4 3 5
If we divide the following number series in two halves, what will be the difference between the sum of all even numbers of first half and the sum of all the odd numbers in the second half?
1
9
2
12
3
6
4
15
5
10