Select the option figure that can replace the question

How many 4 are there in the following list in which followed by 8 and preceded 3, 4 or 5?

2 3 3 4 8 5 5 6  6 6 4 4 8 9 8 8 8 9 9 9 6 6 5 4 8 7 7 7 7

Which letter will be the 12^th to the right of the 9^th letter from your left in the english alphabet series?

If 22 @ 18 = 18' and '42 @ 22 = 15', then 18 @ 23 = ?'. What will come in place of question mark? 

How many vowels are there in all the words if the last alphabet in each alphabet is replaced by the succeeding letter?

Select the option that is related to the third term in the same way as the second term is related to first term.

SURPRISE: IRHVHFIK:: HESITATE: ?

____ and ____ live adjacent to C.

Select the incorrect term in the alpha-numeric series:

X, Z, B, D, F, G

Select the related word/letters/number from the given alternatives.

BD : FH : : LN : (?)