Verbal Reasoning - Mental Ability Questions

Rajaram's son's sister's mother is Ramani. How is Ramani related to Rajaram?

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 'F' can be represented by 41,24 etc and 'V' can be represented by 57,78 etc. similarly,you have to identify the set for the word ''MOCK''.

Square is related to Line in the same way as Cube is related to

If 19 $ 7 = 312 and 23 $ 9 = 448, then 31 $ 11 = ?

In the following question, select the related number from the given alternatives. 850 : 863 : : 430 : ?

If '>' means 'minus', '<' means 'plus', '*' means 'multiplied by' and # means 'divided by', then what would be the value of

27 < 81 # 9 > 6 =

If 4Δ2 = 60, 7Δ9 = 160 and 8Δ3 = 110, then find the value of 3Δ2 = ?

What will come in place of the question mark (?) in the following number series?14, 18, 9, 25, 0, ?