Verbal Reasoning - Mental Ability Questions

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

Select the related word/letters/number from the given alternatives.
36 : 25 : : 100 : ?

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

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

8, 27, 125, 343, ?

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

Select the Missing number?

If "S" denotes "multiplied by", "V" denotes "subtracted from", "M"denotes "added to" and "L" denotes "divided by", then

343 L 7 S 6 V 94 M 11 =?