Select the wrong term in the following number series:

458, 230, 116, 60, 30.5​​

Given: 458, 230, 116, 60, 30.5​​

Logic: (1st number $$\div$$ 2) + 1 = 2nd number

458 $$\div$$​ 2 = 229, 229 + 1 = 230
230 $$\div$$​ 2 = 115, 115 + 1 = 116

116 $$\div$$​ 2 = 58, 58 + 1 = 59 $$\neq$$ 60

59 $$\div$$​ 2 = 29.5, 29.5 + 1 = 30.5

So, 60 is wrong term in the series.

Thus, correct option is (a).