Verbal Reasoning - Mental Ability Questions

If 'WZB' stands for 'DAY', how will you code 'MONDAY'?

In the following question, select the related number from the given alternatives.
49 : 169 : : 66 : ?

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

BILLIONAIRE

Select the related word/letters/number from the given alternatives.
DI : M : : CR : ?

Divit's birthday is on Friday 30th June. On what day of the week will be Samar's Birthday in the same year if Samar was born on 15th November?

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
49, 64, ?, 100, 121

Ryaan is Vehaan's mother's sister's father's only son's son. How is Ryaan related to Vehaan?

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

8,21,60,177,?