445, 221, 109, 46, 25, 11, 4

Question: 445, 221, 109, 46, 25, 11, 4
[A].

221

[B].

109

[C].

46

[D].

25

Answer: Option C

Explanation:

Go on subtracting 3 and dividing the result by 2 to obtain the next number.

Clearly, 46 is wrong.