Verbal Reasoning - Mental Ability Questions

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

s_r_t_s_r

Some equations have been solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis. If 98-39-27=31, 87-38-34=20, then 79-25-12 = ?

If 'how are you' is written as 'ne ki se' and 'where are you' as 'ne bl se' and 'you were here' as 'ke ne jo', then 'how you here' is written as

If 15@7=44; 5@4=18; 6@17=46; then what is the value of 17@4=?

If 4!4 = 4, 14!2 = 8 and 10!18 = 14, then find the value of 2!6 = ?

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

employ, oyster, errors, ornate, tennis, ?

Select the related letters from the given alternatives.
EFG : VUT :: JIH : ?

In a certain code language, "DIAMOND" is written as "4895064" and "GAME" is written as "7953". How is "MANGO" written in that code language?