Verbal Reasoning - Mental Ability Questions

Pointing to a lady in a photograph, Meera said, "Her father's only son's wife is my mother-in-law". How is Meera's husband related to that lady in the photo?

In a certain code language, "BRING" is written as "25698" and "JAIL" is written as "4367". How is "BRINJAL" written in that code language?

In a certain code language, "DISORDER" is written as "OSIDREDR". How is "PRACTICE" written in that code language?

P and Q are sisters. R and S are brothers. P's daughter is R's sister. What is Q's relation to S?

Sanjeev scored the highest marks in the class. Rahul scored more than Nirbhay but lesser than Sameer. Arpit scored more than Rahul. Who got the 4th Rank out of the five?

3x3x3+3+3/3 = ?

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?
24 x 6 - 8 + 2 = ?

In the following question, select the missing number from the given series.
21, 25, 52, 68, 193, ?