Verbal Reasoning - Mental Ability Questions

In the following question, select the missing number from the given series.
19, 38, ?, 228, 684, 1368

In a certain code language, "BORROW" is written as "769965" and "BOMB" is written as "7647". How is "WOMB" written in that code language?

Introducing a woman, Anjali says, "She is the wife of my daughter's only brother". How is the girl related to Anjali?

If A means +, B means ×, C means ÷, D means −, then the value of given equation will be?

If 17 + 17 = 2895 18 + 18 = 3245 19 + 19 = 3615 then 23 + 23 = ?

Anitha walked 20 km towards north. Then she turned right and walked 30km. Then she turned right and travelled 35 km. Then she moved left and walked 15 km. Finally she turned left and walked 15 km. In which direction was she from the starting point?

In these questions, the relationship between two elements is shown in the statements. These statements are followed by two conclusions.
Statement: X = M < A < S = T < R

Conclusion:
I. M = T
II. R > A

If HUMBLED is coded as JWODNGF, then how will WAX be coded as?