Verbal Reasoning - Mental Ability Questions

In the following series, one number is missing as shown by the question mark. Select the missing number from the given options.

8, 12, 16, 20, ?

If 75$26 = 4, 69$53 = 7 then what is the value of 82$46 = ?

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

14 x 10 ÷ 5 - 20 + 4 = ?

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

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A from these matrices can be represented first by its row and next by its column. e.g. 'O' can be represented by 65, 88 etc. and 'F' can be represented by 13, 42, etc. You have to identify the set for the word ‘NAVY’.

The weights of 4 boxes are 30, 70, 60 and 20 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?

After their day's work two village women are returning home. The first woman walks 1.5 km West, then turns to her right and walks 3 km to reach her house. In the meanwhile the second woman walks 1 km North, then she turns East and walks 3.5 km, then she turns to her left and walks 2 km to reach her house. Where is the first woman's house with respect to the second woman's house?

If L stands for +, M stands for -, N stands for x and P stands for /, then 8 N 9 L 60 P 3 M 13 = ?