Verbal Reasoning - Mental Ability Questions

Introducing a girl, a man says, "She is the daughter of my father's daughter". How is the girl related to the man?

The weights of 4 boxes are 80, 60, 90 and 70 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes?

In the following question, select the related word pair from the given alternatives.

Grandmother : Female : : ? : ?

In the following question, select the odd word pair from the given alternatives.

The ratio of the ages of man and his wife is 4:3. After 4 years, the ration will be 9:7. If at the time of marriage, the ratio was 5:3, how many years agowere they married?

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

5 + 10 x 21 ÷ 5 - 15 = ?

In a certain code language, “LATIN” is written as “ODWLQ”. How is “ROUTE” written in that code language?

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

54 x 9 - 3 ÷ 4 = ?