8, 13, 21, 32, 47, 63, 83

Question:
8, 13, 21, 32, 47, 63, 83

[A].

47

[B].

63

[C].

32

[D].

83

Answer: Option A

Explanation:

Go on adding 5, 8, 11, 14, 17, 20.

So, the number 47 is wrong and must be replaced by 46.