Verbal Reasoning - Mental Ability Questions

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

Find the missing number?

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

Select the related word/letters/number from the given alternatives.
Cup : Coffee:: Bowl : ?

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

In certain code, if 'AMOUNT' is written as 'BNPTMS', how is 'AROUND' written in that code?

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

5 , 11 , 24 , 51 , 106 ,____?

Select the Missing number?