Verbal Reasoning - Mental Ability Questions

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

9 - 18 + 35 x 10 ÷ 30 = ?

In a certain code language, “FAINT” is written as “DYGLR”. How is “METRO” written in that code language?

In the following question, by using which mathematical operators will the expression become correct?
30 ? 6 ? 4 ? 5 ? 4

Introducing a man, a woman says, "He is the son-in-law of the wife of my father and I am the only child of my parents". How is the man related to the woman?

If MARBLES is coded as PDUEOHV, then how will GIN be coded as?

Identify the diagram that best represents the relationship among classes given below
Tennis fans, Cricket players, Students

Gopal is older than Mohan but younger than Ram. Mohan is older than Sohan but younger than Ram. Who is the oldest?

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