Verbal Reasoning - Mental Ability Questions

If SELFIE = LXEYBX, then PHYSICS = ____

The weights of 4 boxes are 20, 40, 60 and 90 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?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.

1/4, 0.65, ?, 29/20, 1.85

If 12 (20) 16 and 21 (35) 28, then what is value of A in 48 (80) A ?

B is the brother of A, and A is the son of C. D is C's father. How is B related to D?

Select the related word/letters/number from the given alternatives. GI : HJ : : PR : ?

In the following question, select the related number from the given alternatives.
9143 : 9963 : : 6731 : ?

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 letter from these matrices can be represented first by its row and next by its column, e.g., 'L' can be represented by 12, 24 etc., and 'R' can be represented by 55, 67 etc. Similarly you have to identify the set for the word 'SENT'