Jamie has two boxes with him. In first box, he has kept 5 coins and 8 marbles. In second box, he has kept 7 coins and 5 marbles. He selects an object randomly from each box and exchanges them. What is the probability that each box will have same number of coins now?
1
25/39
2
8/13
3
1/2
4
14/39
5
5/13