Choose the one which does not belong to the group

22:08 24:20 14:17 32:15

32:15

Here, the patter followed is: Option I: 22 : 08 ⇒ 22 + 22 = 08 Option II: 24 : 20 ⇒ 22 + 42 = 20 Option III: 14 : 17 ⇒ 12 + 42 = 17 Option IV: 32 : 15 ⇒ 32 + 22 = 13 ≠ 15 Hence, option (4): 32 : 15 is not belongs to the group.