Verbal Reasoning - Mental Ability Questions

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

In the following question, select the related number from the given alternatives.
7 : 48 : : 11 : ?

How many triangles are there in the given figure?

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

XFB,UGD ,RIG ,OLK, ?

A word arranging device rearranges words step-by-step in a particular order according to set of rules. The device stops when the final result is obtained.
Input: but going for crept te light sir
Step 1: crept but going for te light sir
Step 2: crept going light but for te sir
Step 3: crept going light but for sir te
And Step 3 is the last step for this input. Now, find out an appropriate step in the following question following the above rules.

Question:
Input: more fight cats cough sough acts idea
What will be the last step for this input ?

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 certain coded language, 'hit ka tom' is written as 'tie the shoes', 'ka lo fod' is written as 'shoes of leather' and 'lo tin lot' is written as 'leather and raxin'. How is 'of' written in this code language?

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