What will come in place of question mark (?) in the following question ?
8411/2 + ? - 21971/3 = 7291/3 + 6761/2 - 17281/3
1
8
2
11
3
13
4
7
5
12
What will come in place of question mark (?) in the following question ?
8411/2 + ? - 21971/3 = 7291/3 + 6761/2 - 17281/3
13