In each of the given number-clusters, the number on the right side of = (the equal to sign) is calculated by performing certain mathematical operations on the four numbers on the left of = (the equal to sign). All three number-clusters follow the same pattern. Select the number from among the given options that can replace the question mark (?) in the third number-cluster.
11, 7, 9, 16 = 11
13, 8, 17, 14 = 2
10, 15, 13, 29 = ?
1
10
2
12
3
11
4
4