Verbal Reasoning - Mental Ability Questions

In the following question, select the word which cannot be formed using the letters of the given word.

BILLIONAIRE

If in a certain language, STRING is coded as TSIRGN, how is RANDOM coded in that code?

Which of the following diagram represents the relationship among Tall men, Black haired, Indians?

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

cry, dome, super, random, ?

If CHANTED is coded as ZEXKQBA, then how will MAY be coded as?

If SWEET is written as XAHGU, then HORSE is

Select the related word/letters/number from the given alternatives.
66 : 36 : : 99 : ?

If Quarantine : Isolation, then Freedom : ___