Verbal Reasoning - Mental Ability Questions

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

50 + 3 ÷ 125 x 5 - 25 = ?

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

If ALPHA = 36, BETA = 26 then DELTA = ?

Introducing a man, a woman says, "His son's mother is the only daughter of my mother". How is the man related to the woman?

In a certain coding language, 'Ginger is a root' is written as 4123, 'A tree has a root' is 75422 and 'Tree is green' is 385. Which digit represents 'root'?

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

The following question consist of two words that have a certain relationship to each other, followed by four alternatives. Select the best alternative that has the same relationship as the original pair of words

Cream: Cosmetics

In a certain code language, “LINKS” is written as “93210” and “CROMA” is written as “84576”. How is “ROCKS” written in that code language?