Verbal Reasoning - Mental Ability Questions

Select the related word/letters/number from the given alternatives.
JS : QH : : VW : ?

Arrange the given words in the sequence in which they occur in the dictionary.
1. Train
2. Topper
3. Tingling
4. Tumbler
5. Traction

In a certain code language, “FRIED” is written as “EQHDC”. How is “RUSTY” written in that code language?

In a certain code language, "DIAMOND" is written as "4895064" and "GAME" is written as "7953". How is "MANGO" written in that code language?

Select the related number from the given alternatives.
77 : 84 :: 121 : ?

If in a certain language TEACHER is coded as QBXZEBO, then how is STUDENT coded in the same language?

Introducing a man, a woman said that, "He is the son of my mother's brother's father's son." Then how  is the woman related to the man?

Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis. If 98-39-27=31, 87-38-34=20, then 79-25-12 = ?