Verbal Reasoning - Mental Ability Questions

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

BXM, EUP, HRS, ?

If X has two sisters - Y and Z, and W's mother is the sister of Y's father, then W is Z's ___.

If 'x' means addition, '­' means division, '÷' means subtraction and '+' means multiplication, then which of the equations is correct?

In a certain code, if DOG is written as 4157, then what will MAT be written as ?

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 shown in the given two matrices. 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 ,for example 'H' can be represented by 32,41 etc and 'N' can be represented by 98,85 etc. similarly,you have to identify the set for the word ''IOTA''.

In a row of 15 children, when Raju was shifted three places towards right, he became 8th from the right end. What was his earlier position from the left end of the row?

Q is P's sister. R is P's mother. M is Mrs. R's father. How is Q's father related to M?

In a row of boys, Tarak is 18th from either end. How many boys are there in the row?