Verbal Reasoning - Mental Ability Questions

What will be the next set of alphabets in the series? AZ, BY, CX, ___

Water :Ocean :: Snow : ?

If 11$25 = 18, 12$20 = 16 then what is the value of 4$50 = ?

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

6 x 6 ÷ 10 - 8 + 2 = ?

Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
H__JH__IJHHI__HH__JH

Which of the following correctly represents the relationship between the following classes? A) Bell B) Water C) Brass

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
MN, PQ, TU, YZ, ?

What should come in place of the question mark (?) in the following number series? 1, 3, 24, 360,8640, 302400, ?